Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/16
Q:1/4=60
M:3/8
K:D
["d2d'2c'2 d2b2a2", 'a2b2b2 a2b2b2', 'Acecec Bdfdfd']  
X:1
L:1/16
Q:1/4=60
M:3/8
K:D
 d2d'2c'2 | d2b2a2 | A2c2e2 | dcded2 | d2d'2c'2 | d2b2a2 | A2c2e2 | d6 :: a2b2b2 | a2b2b2 | 
 abagfe | dcdefg | a2b2b2 | a2b2b2 | abagfe | d6 :: Acecec | Bdfdfd | ABcdef | gfedcB | Acecec | 
 Bdfdfd | Agfedc | d6 :|  