Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:6/8
K:D
['dFF AGF DFA AFA']  
X:1
L:1/8
M:6/8
K:D
|: B/c/ |"D" dFF AGF | DFA AFA |"Em" BEE GEE | BdB"D" AFA | dFF AGF | DFA AFA |"G" Bcd"A" efg | 
"D" fdd d2 :| B/c/ |"Bm" dfd"A" cec |"G" BdB"D" AGF |"Em" BEE GEE | BdB"D" AFA |"Bm" dfd"A" cec | 
"G" BdB"D" AFA |"G" Bcd"A" efg |"D" fdd d2 :|  