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
['G3 B AGAB GEDE', 'de/f/ gB']  
X:1
L:1/8
M:4/4
K:G
 G3 B AGAB | GEDE A/A/A A2 | G3 B AGAB | GEDE G/G/G G2 :| de/f/ gB AGAB | de/f/ gB A/A/A A2 | 
 de/f/ gB AGAB | GEDE G/G/G G2 :|  