Compose a piece by incorporating the set musical pattern in its alphabetical form along with the given melodic subject.
X:1
L:1/8
M:9/8
K:Dmix
['AdA GAG', 'GEc F2 D .E/.F/GE DFG A3 AFD', 'GEc f2 d cAG F2 G A3']  
X:1
L:1/8
M:9/8
K:Dmix
 AdA GAG F2 G | A3 AFD EFG | A2 d GAG FAd | c3 AGE GEc | AdA GAG F2 G | Ac/.B/A{B} AFD EFG | 
 AdA GAG FAd | c3 AGE GEc |: F2 D .E/.F/GE DFG | A3 AFD EFG | .F/.G/AD .E/.F/GE DFd | c3 AGE GEc :: 
 f2 d cAG F2 G | A3 AFD EFA | f2 A Bge fAB | cec AGE GEc :|  