Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
Q:1/8=180
M:12/8
K:G
['B2 e d2 B', 'BAB d2 B']  
X:1
L:1/8
Q:1/8=180
M:12/8
K:G
 A | B2 B A2 G B2 B AGA | B2 e d2 B ABA AGA | B2 B A2 G Bc/d/B AGA |1 B2 e d2 B G3 B2 :|2 
 B2 e d2 B G3 G || Bd | e3 edB e2 f g2 B | BAB d2 B ABA ABd | ef/g/e edd e2 f g2 B |1 
 BAB d2 B G3 G :|2 BAB d2 B G3 G3 |]  