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A Diminished :: A C E♭

B
F♯
D
A
A
♭3
♭5
A
♭3
♭5
♭3
♭5
A
♭5
A
♭3
⬤ ⬤
A
⬤ ⬤
B Minor 9th :: B D F♯ A C♯

B
F♯
D
A
B
5
♭3
♭7
9
B
♭3
♭7
5
9
B
♭3
5
9
♭7
♭3
B
5
♭7
9
⬤ ⬤
B
5
♭3
♭7
⬤ ⬤