Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/16
M:2/4
K:D
['A2>B2 c2d2', 'eAAA cAeA cAAA']  
X:1
L:1/16
M:2/4
K:D
|: e2 | A2>B2 c2d2 | e2AA A2c2 | B2G2 g2>e2 | dcBA G4 | A2>B2 c2d2 | e2fg a4 | gfed dgdB | A6 :: 
 c2 | eAAA cAeA | cAAA e2>d2 | BGGG BGdG | BGGG d2cd | eAAA cAeA | cAAA a4 | gfed dgdB | A6 :|  