Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:Edor
['FA Be ed Bd/B/ AF', 'Be ef af']  
X:1
L:1/8
M:2/4
K:Edor
 E2 FA | Be ed | Bd/B/ AF | EF D2 | E>E FA | Be ed | Bd/B/ AF | FE E2 :: Be ef | af ed | Be ef | 
 af d2 | Be ef | af ed | Bd/B/ AF | FE E2 :|  