Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/4
M:4/4
K:F
['G G']  
X:1
L:1/4
M:4/4
K:F
 F | c c F F | c c F F | c c F F | c c F2 | c2 d c | B A G G | F2 z2 | c2 d c | B A G G | F2 z G | 
 G G G F | E F G G | G G G F | E F G2 | z B A F | G G F F | F4 |]  