F Diminished
::
F
A♭
C♭
F
C
G
D
F
♭3
⬤
♭3
F
⬤
♭5
⬤
F
⬤
♭5
♭3
⬤
⬤
♭3
⬤
♭5
⬤
F
♭5
⬤ ⬤
F
⬤ ⬤