This is my setup not fancy but since you asked for maximum utilization of the LHS of the keyboard, here is mine. Basically, I have used 'w' for musk type unit, 'q' for skirm type, 's' for hand cav type, 'd' for goon type, 'c' for additional hand cav (like cuirs, mahouts, lancers) etc.
For faster training of vills 'T' for TC and 'Y' for vills. Oh for quick removing units off the ctrl group I use '0'(zero, yes, not alt-zero or w/e it was).
Attack Move with space.
[spoiler=spoiler]
<KeyMapGroups>
<Group Name="Find Unit Hotkeys">
<KeyMap>
<Name>Find Explorer</Name>
<Event>`</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Find Selection</Name>
<Event>capslock</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Find Market</Name>
<Event>m</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Find War Hut</Name>
<Event>control-b</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Find All Stables</Name>
<Event>x</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Find All Barracks</Name>
<Event>z</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Find All Of Selected Type</Name>
<Event>shift-`</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Building Construction Hotkeys">
<KeyMap>
<Name>Build War Hut</Name>
<Event>b</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Build Capitol</Name>
<Event>control-z</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Build Saloon</Name>
<Event>control-x</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Town Center Hotkeys">
<KeyMap>
<Name>Train Villager</Name>
<Event>y</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Villager</Name>
<Event>shift-y</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Set Military Way Point</Name>
<Event>control-m</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Ring Town Bell</Name>
<Event>shift-control-b</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Return To Work</Name>
<Event>shift-control-b</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Barracks Hotkeys">
<KeyMap>
<Name>Halberdier</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Halberdiers</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Cassador</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Cassadores</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Janissary</Name>
<Event>w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Janissaries</Name>
<Event>shift-w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Cree Tracker</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Cree Tracker</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Longbowman</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Longbowmen</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Musketeer</Name>
<Event>w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Musketeers</Name>
<Event>shift-w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Pikeman</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Pikemen</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Rodelero</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Rodeleros</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Skirmisher</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Skirmishers</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Crossbowman</Name>
<Event>e</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Crossbowmen</Name>
<Event>shift-e</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Rajput</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Rajput</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Gurkha</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Gurkha</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Blockhouse Hotkeys">
<KeyMap>
<Name>Musketeer</Name>
<Event>w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Musketeers</Name>
<Event>shift-w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Halberdier</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Halberdiers</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Cree Tracker</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Cree Tracker</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Strelet</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Strelet</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="War Hut Hotkeys">
<KeyMap>
<Name>Aenna</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Aennas</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>War Bow</Name>
<Event>e</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple War Bows</Name>
<Event>shift-e</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Coyote Runner</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Coyote Runners</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Musketeer</Name>
<Event>w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Musketeers</Name>
<Event>shift-w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Skirmisher</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Skirmishers</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Wakina Rifle</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Wakina Rifles</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Puma Spearman</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Puma Spearmen</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>War Club</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple War Clubs</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Macehualtin</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Macehualtins</Name>
<Event>shift-q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Tomahawk</Name>
<Event>w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Tomahawks</Name>
<Event>shift-w</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Nobles Hut Hotkeys">
<KeyMap>
<Name>Eagle Runner Knight</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Eagle Runner Knight</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Jaguar Prowl Knight</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Jaguar Prowl Knight</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Stable Hotkeys">
<KeyMap>
<Name>Cavalry Archer</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Cavalry Archers</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Lancer</Name>
<Event>c</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Lancers</Name>
<Event>shift-c</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Oprichnik</Name>
<Event>c</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Oprichniks</Name>
<Event>shift-c</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Ruyter</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Ruyters</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Uhlan</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Uhlan</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>War Wagon</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple War Wagons</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Cossack</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Cossacks</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Naginata Rider</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Naginata Rider</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Yabusame</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Yabusame</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Corral Hotkeys">
<KeyMap>
<Name>Axe Rider</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Axe Riders</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Bow Rider</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Bow Riders</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Horseman</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Horsemen</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Musket Rider</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Musket Riders</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Rifle Rider</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Rifle Riders</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Dragoon</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Dragoons</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Caravanserai Hotkeys">
<KeyMap>
<Name>Sowar</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Sowar</Name>
<Event>shift-s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Zamburak</Name>
<Event>d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Zamburak</Name>
<Event>shift-d</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Howdah</Name>
<Event>e</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Howdah</Name>
<Event>shift-e</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Mahout</Name>
<Event>w</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Mahout</Name>
<Event>shift-w</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Artillery Foundry Hotkeys">
<KeyMap>
<Name>Abus Gun</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Multiple Abus Guns</Name>
<Event>shift-a</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Consulate Hotkeys">
<KeyMap>
<Name>Open Relations</Name>
<Event>f</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>tax 0</Name>
<Event>f</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>tax 5</Name>
<Event>f</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>tax 10</Name>
<Event>f</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Unit Tactics Hotkeys">
<KeyMap>
<Name>Cavalry Melee Mode</Name>
<Event>b</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Infantry Melee Mode</Name>
<Event>b</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Bombard Mode</Name>
<Event>v</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Limber Mode</Name>
<Event>b</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Volley Mode</Name>
<Event>v</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Command Hotkeys">
<KeyMap>
<Name>Stop</Name>
<Event>s</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Repair</Name>
<Event>r</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Eject Units</Name>
<Event>n</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Abilities Hotkeys">
<KeyMap>
<Name>Sharp Shooter</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Lightning Strike</Name>
<Event>q</Event>
<Action>bind</Action>
</KeyMap>
<KeyMap>
<Name>Smoke Screen</Name>
<Event>a</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="GeneralGameHotkeys">
<KeyMap>
<Name>Attack Move</Name>
<Event>space</Event>
<Action>bind</Action>
</KeyMap>
</Group>
<Group Name="Selection Group Hotkeys">
<KeyMap>
<Name>Remove From Any Group</Name>
<Event>0</Event>
<Action>bind</Action>
</KeyMap>
</Group>
</KeyMapGroups>
[/spoiler]
EDIT- Whether or not you try this, I'd suggest you keep a backup copy of your hotkeys