Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:6/8
K:Dmix
['Add A2 A', 'd2 c']  
X:1
L:1/8
M:6/8
K:Dmix
 Add A3 | AGE G2 G | Add A2 A | GEE EDD | Add A2 A | AGE c3 | ded dcA | GEE EDD :: ABc d2 d | 
 d_ed d2 c | ABc ddd | d_ed cAG | ABc ddd | ded d2 c | AGE [cG]E[cA] | GEE EDD :|  