Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
M:3/4
K:Bb
['dd e2']  
X:1
L:1/8
M:3/4
K:Bb
 dd e2 ed | cB A2 B2 | dd e2 ed | cBAc B2 | dd e2 d2 | ce g2 f2 | dd e2 d2 | cB A2 B2 | c4 GB | 
 AG F2 f2 | cc G2 B2 | AF G2 C2 |]  