Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:6/8
K:D
['D2 d AFD B2 B', 'a2 a afd B2 B B3']  
X:1
L:1/8
M:6/8
K:D
 D2 d AFD | B2 B B3 | Bcd AFD | E2 E E3 | D2 d AFD | B2 B B2 g | fed ABc | d2 d d3 :: a2 a afd | 
 B2 B B3 | B2 d AFD | E2 E E3 | a2 a afd | B2 B B3 | Bcd AFD | TE3 D3 :|  