Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:2/2
K:G
['G2 Bd g>agB AGAB', 'g>agd (g/f/g/a/) gd']  
X:1
L:1/8
M:2/2
K:G
 G2 Bd g>agB | AGAB (A/G/A/B/) AD | G2 Bd g>agB | AGAB GG/G/ G2 :: g>agd (g/f/g/a/) gd | 
 g>agB (A/G/A/B/) AD | g>agd (g/f/g/a/) gd | (e/f/g)dB G/G/G G2 :|  