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:4/4
K:Amix
['A2 AB', 'ec d2 cd']  
X:1
L:1/8
M:4/4
K:Amix
 AG | E2 A2 AB cd | ef ec d2 cd | e2 A2 AB cA | BA EF G2 GF | E2 A2 AB cd | ef ec d2 cd | 
 e a2 b ag ed | c2 A2 A2 :: ef | gf ga gf ef | gf ec d2 cd | e2 A2 AB cA | BA EF G3 F | 
 E2 A2 AB cd | ef ec d2 cd | e a2 b ag ed | c2 A2 A2 :|  