Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:4/4
K:D
['e2 ce Aece ABcf edce d2', 'eA A2 d2 cd']  
X:1
L:1/8
M:4/4
K:D
 e2 ce Aece | ABcf edce | d2 Bd GdBd | g2 gb agfg | e2 ce Aece | ABcf edce | d2 Bc dfed | 
 cdBc ABcd :| eA A2 d2 cd | eA A2 d2 cd | eA A2 d2 cd | efge d2 cd :|  