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
['AFA Aaf', 'afa afa']  
X:1
L:1/8
M:6/8
K:D
 AFA Aaf | ede fdB | AFA Bcd | EEE E2 | AFA Aaf | ece fdB | AFA fga ddd d2 :: 
 afa afa bgb bgb afa afa | gfe e3 | fga f3 | ede fdB | AFA fga | ddd d2 :|  