63.35B♭ minor triad

B♭ D♭ F.

Over G:

♯9

♭5/♯11

♭7.

Excellent.

Combine:

A♭m + B♭m.

Notes:

A♭ B/C♭ D♭ E♭ F B♭.

These give essentially the altered tensions plus guide tones, without G root.