Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:4/4
K:D
['', 'de fefg afge fdec dcAG', 'DE =F2 FG A2 AB =c2 cd']  
X:1
L:1/8
M:4/4
K:D
 de |: fefg afge | fdec dcAG | FD DD DFAB | cAdc A2 de | fefg afge | fdec dcAG | FEFD GBAG | 
 F2 D2 D2 DE :: =F2 FG A2 AB | =c2 cd cBAG | Adde fded | cAdc A2 de | fefg afge | fdec dcAG | 
 FEFD GBAG | F2 D2 D2 DE :|  