Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/16
M:3/8
K:G
['G2GFGA B2dBde', 'G4 D2E2F2']  
X:1
L:1/16
M:3/8
K:G
 D2 | G2GFGA | B2dBde | cBA2G2 | FGABAF | G2GFGA | B2dBde | cBA2F2 |1 G4 :|2 G4 d2 |: c2AcAc | 
 B2 G4 | D2E2F2 | GABcd2 | c2AcAc | B2 G4 | D2E2F2 |1 G4 d2 :|2 G4 |]  