D♭ Dominant 7th Sus 4 :: D♭ G♭ A♭ B

F
C
G
D
4
D♭
5
5
♭7
4
♭7
4
D♭
5
D♭
5
♭7
♭7
4
D♭
⬤ ⬤
⬤ ⬤
B
B Minor 7th (♭5) :: B D F A

F
C
G
D
♭5
♭3
♭3
♭7
♭5
♭7
B
♭5
B
♭3
♭7
♭3
♭7
B
♭5
B
⬤ ⬤
♭5
♭3
⬤ ⬤