Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:6/8
K:G
['D2 G GAG F3', 'cBc dgg dff G3 ABc def gfg']  
X:1
L:1/8
M:6/8
K:G
 D2 G GAG | F3 D2 c | B3 GBd | cAG FGA | D2 G GAG | F3 DBc | ded cAF |1 G3 GFE :|2 G3 GBc |: 
 dgg dff | dgg cBc | dgg dff | G3 ABc | def gfg | agf (3.g.a.ge | fed cAE | G3 G3 :|  