Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:D
['FAd FAd GBd GBd FAd dcd', 'e e2', 'G2 E E2 F']  
X:1
L:1/8
M:6/8
K:D
 FAd FAd | GBd GBd | FAd dcd | f2 e e3 | FAd FAd | GBd GBd | FAd dcd | e2 d d3 :| f2 d d2 e | 
 f2 e e2 f | g2 c c2 e | e2 d d2 e | f2 d d2 e | f2 e e2 f | g2 c c2 e | e2 d d3 :| A3 GFG | 
 A3 GFG | AFA dAd | fed cAB | G2 E E2 F | G2 E E2 F | GBA GFE |1 F3 F2 G :|  