4-String Banjo Chord Chart and Tabs in Whole Step Down Tuning

Dobsus2b5, Dob2-5, Dobsus2-5
Notes: Do♭, Re♭, Sol♭♭
1,0,1,4 (1.23)
x,6,5,6 (x213)
1,0,1,x (1.2x)