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:2/2
K:Dmix
['DFEF D2', 'e fage']  
X:1
L:1/8
M:2/2
K:Dmix
 DFEF D2 dB | cAAG EFGE | DFEF D2 dB | cAGE EDDE | DFEF D2 Ad | cAAG EFGB | Ad d2 fded | 
 cAGE ED D2 :: f3 e fage | fefg afde | f3 e fage | fdec Adde |3 e fage | fefg afde | fage dfed | 
 cAAG EFGE :|  