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F Diminished :: F A♭ C♭

G
D
A
E
♭3
F
♭5
F
♭5
♭3
♭3
♭5
F
♭5
F
♭3
⬤ ⬤
⬤ ⬤
D♭ Minor 9th :: D♭ F♭ A♭ C♭ E♭

G
D
A
E
♭3
5
9
♭3
♭7
♭7
D♭
5
D♭
5
9
♭3
♭7
9
♭3
♭7
D♭
D♭
5
9
⬤ ⬤
♭3
⬤ ⬤