Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/8=250
M:2/4
K:D
['AFFD CEEG']  
X:1
L:1/8
Q:1/8=250
M:2/4
K:D
 d | AFFD | CEEG | FDFA | d2 cB | AFFD | CEEG | FDAF | D2 D F | BcdB | ceAA | BcdB |{cd} e2 AA | 
 BcdB | cdec |{de} fdc>B | d2 c>B | AFFD | CEEG | FDFA | d2 cB | AFFD | CEEG | FDAF | D2 D |]  