4-String Banjo Chord Chart and Tabs in Gbb Tuning

GM7sus2, GMa7sus2, Gj7sus2, GΔ7sus2, GΔsus2, G maj7sus2, G major7sus2
Notes: G, A, D, F♯
3,2,3,4 (2134)
3,7,7,7 (1234)