Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:2/4
K:G
['E2 GE A2 GGEG E2 D2']  
X:1
L:1/8
M:2/4
K:G
 BA/A/ A2 | AG/G/ E2 | GE A2 | GGEG | E2 D2 | A/>B/G/G/ A2 | G/A/E/E/ E2 | GE A2 | GGEG | E2 D2 | 
 BBBB | A2 G2 | DDDE | G4 | BBBB | A2 G2 | DDDE | G4 | c' A3 | Ad/B/ A2- | A4 | Dzc' z |]  