Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:3/8=88
M:6/8
K:C
['', 'd2 d']  
X:1
L:1/8
Q:3/8=88
M:6/8
K:C
 d2 d |: B3 c>Bc | d2 d c>Bc | d6- | d2 z c2 c | A3 BBB | G2 G B>BB | D>DD G>GG | A3 A>Bc | 
 d2 B c2 A | G6- |1 G2 z d2 d :|2 G2 ||  