C Diminished
::
C
E♭
G♭
⨉
F
C
G
D
C
♭5
♭3
⬤
♭3
⬤
♭5
⬤
C
⬤
♭5
⬤
C
⬤
♭3
⬤
⬤
♭3
C
♭5
⬤ ⬤
C
⬤ ⬤
—
A Major
::
A
C♯
E
⨉
F
C
G
D
3
A
5
⬤
⬤
A
5
⬤
⬤
3
⬤
A
⬤
3
⬤
A
5
⬤
5
3
⬤ ⬤
⬤ ⬤
A
C♯
F Augmented 7th
::
F
A
C♯
E♭
⨉
F
C
G
D
F
♯5
♭7
3
⬤
♭7
F
⬤
3
⬤
F
⬤
♯5
⬤
3
⬤
♯5
♭7
⬤
3
⬤
♭7
F
♯5
⬤ ⬤
F
⬤ ⬤