Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:2/2
K:D
['A2 d2 (af) d2 (fd) e2 (ge)', 'd3 (fa) g2 (ge) f2 (fd) (cA)(Bc)']  
X:1
L:1/8
M:2/2
K:D
 A2 | d2 (af) d2 (fd) | e2 (ge) (dc)(BA) | (df)(af) (de)(fd) | (eg)(ce) d3 :: (fa) | 
 g2 (ge) f2 (fd) | (cA)(Bc) (df)(af) | (ag)(ge) (gf)(fd) | (eg)(ce) d3 :|  