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:2/4
K:D
['D>E FD A>F', 'BA d>B A>F']  
X:1
L:1/8
M:2/4
K:D
 D>E FD | A>F DA | FD AD | FE EA | D>E FD | A>F DE/F/ | FE/D/ B,E | ED DA :| BA d>B | A>F Dd | 
 BA dF | FE Ed | BA d>B | A>F DE/F/ | FE/D/ B,E | ED DA :|  