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:D
['e fgf fed efe edc ded dcB', 'Aff Aff']  
X:1
L:1/8
M:6/8
K:D
 e | fgf fed | efe edc | ded dcB | cdc cBA | GBB GBB | FAA FAA | EDE e2 d | cBc d2 :| B | Aff Aff | 
 Aff fed | Bgg Bgg | Bgg gfe | cdc BcB | Ace a2 f | gfe ABc | dfe d2 :|  