Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/16
M:2/4
K:D
['D2>B2 AFFB AFFB AFFd D2>B2 AFFA', 'fddf ecce']  
X:1
L:1/16
M:2/4
K:D
 D2>B2 AFFB | AFFB AFFd | D2>B2 AFFA | BdAF .E2(EF) | D2>B2 AFFB | AFFB AFFd | D2>B2 AFFA | 
 BdAF E2E2 || fddf ecce | dBBd AFFA | fddf ecce | BdAF E2E2 | fddf ecce | dBBd AFFA | fdec dcBA | 
 BdAF D2D2 ||  