Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:2/4
K:Ador
['AB cd', 'ef g>f ga ge ed ea ab']  
X:1
L:1/8
M:2/4
K:Ador
|: EA AB | cd eg | G>F GA | GE ED | E>A AB | cd ef | g>e dB |1 A>B AG :|2 A>B ce |: a2 ab | ag ef | 
 g>f ga | ge ed | ea ab | ag ef | g>e dB |1 A>B ce :|2 A>B AG ||  