What can you do with 12 chords but a full chromatic string schedule? I've picked a bunch of useful chords for playing in one key, which here is spelled F but tuned to E because I can.
Those 12 chords are :
FM, Gm, Am, BbM, C7, Dm, E7 : diatonic chords except for E7
Csus7, F7, G7,A7 : passing 7ths
G Bb Db F : yummy G half diminished 7th chord
