Create a musical piece that integrates the provided motif and follows the prescribed alphabetical structure.
X:1
L:1/8
M:6/8
K:D
['AFA AFA d2', 'ecA Acd ecA d2']  
X:1
L:1/8
M:6/8
K:D
|: F2 A AFA | AFA d2 A | GBB FAA | E3 EFG | FAA AFA | AFA d2 B | ABc dcB | AFD D3 :: ecA Acd | 
 ecA d2 A | GBB FAA | E3 Ecd | ecA Acd | ecA d2 B | ABc dcB | AFD D3 :|  