Ideas For What Chords to Start With on Guitar

Basic Chords:
A, B, C, D, E, F, G

Minor Chords:
Am, Bm, Dm, Em

Bar Chords:
A, B, C, D, E, F, G, Am, Bm, Cm, Dm, Em, Fm, Gm

Power Chords:
A5, B5, C5, D5, E5, F5, G5

Scale to Work on Individual Notes:
Blues Scale