Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/4
K:A
['AAcA ecBA', 'A2 ceAe dfBd ceAc BGFE ceAe dfBf']  
X:1
L:1/8
M:2/4
K:A
|: AAcA | ecBA | GABG | dBAG | AAcA | ecBA | fdBG | A2 A2 :: ceAe | dfBd | ceAc | BGFE | ceAe | 
 dfBf | edcB | A2 A2 :|  