Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:6/8
K:D
['dAF DFA ded cBA dcd efg', 'ABc dcd Bed cAA A2 =c B3', 'fdc d2', 'efg fdf']  
X:1
L:1/8
M:6/8
K:D
 dAF DFA | ded cBA | dcd efg | fdf ecA | dAF DFA | ded cBA | dcd efg |1 fdc d2 A :|2 fdc d2 e |: 
 f3 fga | ecA ABc | dcd Bed | cAA A2 =c | B3 BAG | AFD DFA |1 dcd efg | fdc d2 e :|2 dcd ede | 
 fdf gfe |:"^Variations:" dAF DFA | Bed cBA | Bcd ede | fed ecA | dAF DFA | Bed cBA | Bcd ede |1 
 fdc d2 A :|2 fdc d2 e |: fdf fga | ecA ABc | dcd Bed | cAA A2 =c | BGB Bcd | AFD DFA |1 dcd ede | 
 fdc d2 e :|2 dcd efg | fdf gfe ||  