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