Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:3/8=90
M:6/8
K:G
['A2 F', 'A2 D c2']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:G
 d | B2 G A2 F | GBG D2 D | E2 E c2 B | B3 A2 d | B2 G A2 F | GBG D2 D | E2 c A2 F | G3 G2 :: B | 
 A2 D c2 A | BdB G2 G | A2 D c2 B | B3 A2 d | e2 c A2 f | g2 d B2 G | E2 c A2 F | G3 G2 :|  