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:Amix
['e2 d', 'Bcd eaa agf']  
X:1
L:1/8
M:6/8
K:Amix
|: e2 d cBA | ecA Bcd | e2 d cde | dBG Bcd | e2 d cBA | eAd =cBA | GBd g2 e | dBG Bcd :: eaa agf | 
 ecA Bcd | egg g2 e | dBG Bcd | eaa agf | gfe f2 e | def g2 e | dBG Bcd :|  