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