Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
['A2 DF A2', 'dc B2 BA G2 gf e2 ed']  
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
 DG | B2 DG | B2 DB | dcBc | A2 DF | A2 DF | A2 DA | Bc AB |"^sic" G3 :: dc | B2 BA | G2 gf | 
 e2 ed | e2 AB | AG FA | d2 F2 | GF GA |"^sic" G3 :|  