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:F
['cAfd c2 A z']  
X:1
L:1/8
M:2/4
K:F
 cAfd | c2 A z | cAfd | c2 A z | GcAF | EF G2 | GcAF | EF G2 | FAc>B | AG F2 |]  