D♭ Dominant 7th (♭5) :: D♭ F G B

A
E
C
G
♭5
3
D♭
♭7
♭5
D♭
♭7
3
D♭
♭7
♭5
3
D♭
♭5
3
♭7
⬤ ⬤
♭5
⬤ ⬤
D♭ B
B Minor 9th :: B D F♯ A C♯

A
E
C
G
♭7
9
B
5
♭3
♭7
9
B
♭3
♭7
5
9
B
♭3
5
9
♭7
♭3
B
5
⬤ ⬤
♭7
⬤ ⬤
B F♯ A C♯
B Dominant 11th :: B D♯ F♯ A C♯ E

A
E
C
G
♭7
11
9
B
5
♭7
3
9
11
B
♭7
3
5
9
11
B
3
5
9
♭7
11
3
B
5
⬤ ⬤
♭7
11
⬤ ⬤