Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:4/4
K:D
['d2 Af dBAF', 'd3 f a2 af egfd']  
X:1
L:1/8
M:4/4
K:D
 d2 Af dBAF | (3ABA EA cege | d2 Af dBAF | EFGE BEGE | d2 Af dBAF | (3ABA EA cege | d2 Af dBAF | 
 EAGE D2 Ac :| d3 f a2 af | egfd cAeA | d3 f a2 af | egfd cAGA | defg a3 f | egfd cAGA | 
 cded cAGA | FDGE FD D2 :|  