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
['D2 FA d2 ed cdBd AF F2', 'f2 df e2 de fedB AF F2']  
X:1
L:1/8
M:4/4
K:D
 A | D2 FA d2 ed | cdBd AF F2 | BAGB ADFA | BAGF EGFE | D2 FA d2 ed | cdBd AF F2 | BAGB ABde | 
 faeg fdd :| e | f2 df e2 de | fedB AF F2 | BAGB ADFA | BAGF EFGe | f2 df e2 de | fedB AF F2 | 
 BAGB ABde | faeg fdd :|  