Hell I pretty much heal with one hand - even though I have two.

keys 1-6
Cure
Cure 2
Cure 3
Regen
Medica 1
Medica 2

keys ALT 1-7
Esuna
Stoneskin
Divine Seal
Swift Cast
(Nothing)
Raise (for Swift Case Raise)

I am probably forgetting something But basically do it all with my right hand (Can select party members with function keys, and usually do)

I am with everyone else though stick with bard! :0