A Diminished
::
A
C
E♭
⨉
A
E
C
G
A
♭3
A
⬤
♭3
♭5
⬤
⬤
A
♭3
⬤
♭5
⬤
⬤
♭3
♭5
⬤
A
⬤
♭5
⬤ ⬤
A
♭3
⬤ ⬤
A
C
G♭ Half Diminished 7th
::
G♭
A
C
E
⨉
A
E
C
G
♭3
♭7
♭5
G♭
♭3
⬤
♭5
⬤
♭7
⬤
♭3
♭5
⬤
G♭
⬤
♭7
⬤
♭5
⬤
G♭
♭3
♭7
⬤
G♭
⬤ ⬤
♭3
♭7
♭5
⬤ ⬤