D Augmented 7th (♭9)
::
D
F♯
A♯
C
E♭
A
E
C
G
♭7
♯5
3
D
⬤
♭7
♭9
♯5
⬤
⬤
D
♭7
⬤
♭9
♯5
3
⬤
D
⬤
♭7
♭9
⬤
3
⬤
D
♯5
♭9
3
⬤ ⬤
♭7
⬤ ⬤