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C Diminished :: C E♭ G♭

E
B
G
D
A
E
C
♭3
♭5
♭5
C
♭3
♭5
C
♭3
♭5
C
♭3
C
♭5
C
♭3
♭5
♭3
⬤ ⬤
⬤ ⬤
D♭ Major 6th :: D♭ F A♭ B♭

E
B
G
D
A
E
3
5
6
3
D♭
6
3
5
D♭
5
6
3
D♭
5
6
6
3
D♭
5
D♭
3
6
D♭
5
⬤ ⬤
⬤ ⬤
B♭
C Dominant 7th (♭5) :: C E G♭ B♭

E
B
G
D
A
E
3
3
C
♭7
♭5
3
♭5
♭7
C
♭5
3
C
♭7
♭7
♭5
3
C
♭7
C
3
♭5
C
♭7
♭5
⬤ ⬤
3
3
⬤ ⬤