C Diminished
::
C
E♭
G♭
B
F♯
D
A
♭5
C
♭3
⬤
C
⬤
♭3
♭5
⬤
⬤
C
♭3
⬤
♭5
⬤
⬤
♭3
♭5
⬤
C
⬤ ⬤
♭5
⬤ ⬤