Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:2/4
K:D
['dc BA FA B2 AF', 'FE DE FA B2 AF']  
X:1
L:1/8
M:2/4
K:D
|: dc BA | FA B2 | AF ED/E/ | FE E2 | dc BA | FA B2 | AF EF/E/ | D2 D2 :: FE DE | FA B2 | 
 AF ED/E/ | FE E2 | FE DE | FA B2 | AF EF/E/ | D2 D2 :|  