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:G
['GEDE G3 A Bdgd BGEG', 'gede g3 a bgaf gfed']  
X:1
L:1/8
M:4/4
K:G
 GEDE G3 A | Bdgd BGEG | AGEG A3 c | Bdgd BGAF | GEDE G3 A | Bdgd BGEG | Bdgd Bedc | BdAc BG G2 :: 
 gede g3 a | bgaf gfed | ageg a3 b | c'abg agef | gede g3 a | bgaf gfed | Bdgd Bedc | BdAc BG G2 :|  