Create a composition using the given motif and incorporating the alphabet-based structure.
X:1
L:1/8
Q:3/8=120
M:9/8
K:Bb
['f2 b fdB BAB', 'cAF cAF']  
X:1
L:1/8
Q:3/8=120
M:9/8
K:Bb
 f2 b fdB BAB | GAB cdB AGF | f2 b fdB BAB | Gec Afd B3 :: cAF cAF F=EF | BcB dfd fcA | 
 cAF cAF FGA | Bcd ecA B3 :|  