Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Bb
['F DFBd fgfd egGc Accd DFBd fdbd', 'dBB f fBdB FBdB GccB Acce dfBd']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Bb
 F | DFBd fgfd | egGc Accd | DFBd fdbd | ecAf dBB :: f | fBdB FBdB | GccB Acce | dfBd GBEg | 
 fbce dBB :|  