A♭ Major 7th :: A♭ C E♭ G

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

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