B♭ Major 7th :: B♭ D F A

A
E
C
G
7
B♭
5
3
7
B♭
3
7
5
B♭
3
5
7
3
B♭
5
⬤ ⬤
7
⬤ ⬤
B♭
C Minor 7th :: C E♭ G B♭

A
E
C
G
C
5
♭7
C
5
♭3
♭7
C
♭3
♭7
5
C
♭3
5
♭7
♭3
⬤ ⬤
C
5
⬤ ⬤
C E♭ G
A Minor 7th (♭5) :: A C E♭ G

A
E
C
G
A
♭3
♭7
A
♭3
♭7
♭5
A
♭3
♭5
♭7
♭3
♭5
A
♭7
♭5
⬤ ⬤
A
♭3
♭7
⬤ ⬤