or if you dont want to go rootless --
7 - GDA/BbFAC, Bb
3 - CE/BbDbGb, G
6 - FCEb/AbCEbG
if you check the melody line in the chords above, C, Bb, Gb, G, G
there's another variation on that same melody line (beware - dissonant chords lol)
7 - GDA/BbFAC, Bb
3 - EbG/ABDGb
3 - EAb/BbCEbG
6 - FCEb/AbCEbG