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:Emin
['G2 FG', 'ae e2 de e2']  
X:1
L:1/8
M:4/4
K:Emin
 G2 FG EAAB | cABG AGEF | G2 FG EA A2 | DEFG E4 :| ae e2 de e2 | ceBe AE E2 | ae e2 de e2 | 
 defg e3 f | g2 fg eA A2 | cABG AFEF | G2 FG EA A2 | DEFG E4 ||  