Compose a musical work that seamlessly incorporates the assigned motif and abides by the given alphabetical pattern.
X:1
L:1/8
M:4/4
K:Bb
['B2 FB c2 Fe', 'B,2 Bc de fd cB AB cd']  
X:1
L:1/8
M:4/4
K:Bb
 B2 FB c2 Fe | dBAG BFDB, | B2 FB c2 Fe | dc BA B2 B,2 :: Bc de fd cB | AB cd ec BA | DF BF EG Be | 
 dc BA B2 B,2 :|  