A Diminished 7th
::
A
C
E♭
G♭
A
E
C
G
A
♭3
𝄫7
A
⬤
♭3
♭5
⬤
⬤
A
♭3
⬤
♭5
𝄫7
⬤
⬤
♭3
♭5
⬤
𝄫7
A
⬤
♭5
𝄫7
⬤ ⬤
A
♭3
⬤ ⬤