Musical Scales of Type Altered bb7

Select the Scale:
C Altered bb7	C# Altered bb7	Db Altered bb7
D Altered bb7	D# Altered bb7	Eb Altered bb7
E Altered bb7	F Altered bb7	F# Altered bb7
Gb Altered bb7	G Altered bb7	G# Altered bb7
Ab Altered bb7	A Altered bb7	A# Altered bb7
Bb Altered bb7	B Altered bb7