Here are the basics...there are many alternate chords I can think of at parts but hope this helps...
Ab/Ab-Bb-C-Eb
Bb/F-Ab-Db
B/F-Ab-B-D
C/G-Bb-Eb
Db/C-Eb-F-Ab
Db/Bb-Eb-G or Db/B-Eb-G
C/G-Bb-Eb
Eb/Db-Gb-Bb
Ab/C-Gb-Bb
Db/C-Eb-F-Ab
Db/Bb-Eb-G or Db/B-Eb-G
C/G-Bb-Eb
F/G-Ab-C-Eb
then 2-5-1
Bb/Ab-Db-F
Eb-Bb-D/F-Ab-C-Eb
Ab chord