Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:Bmin
['fba fed', 'fed B3 ABd efd e2 a bfa']  
X:1
L:1/8
M:6/8
K:Bmin
|: c | def BAF | ABc B3 | fba fed | ef{g}f BAF | def edB | A3 Ade | fba fed |1 ecA B2 :|2 
 ecA Bfa |: b3 afe | fea fed | B3 ABd | efd e2 a | bfa efd | B3 AFA | def afe |1 dBA Bfa :|2 
 dBA B2 ||  