B♭ Diminished 7th :: B♭ D♭ F♭ G

F
C
G
D
𝄫7
♭3
𝄫7
♭5
B♭
♭5
B♭
𝄫7
♭3
𝄫7
♭3
B♭
♭5
B♭
♭5
♭3
⬤ ⬤
𝄫7
⬤ ⬤
D Minor :: D F A

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