Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:12/8
K:G
['B2 c', 'B>GD E>^DE A>^GA c>Ac e2 d d>^cd']  
X:1
L:1/8
M:12/8
K:G
|: B2 c | d>ed ^c2 d B2 d G>AB | c>dc B2 c A2 c A2 G | F>Ad fed F>Ad f>ed |1 d>ed c>dc B3 :|2 
 d>ed c>BA G3 |: G>[Dd][Cc] | [B,B]>DG B>GD [B,B]>DG B>GD | E>^DE A>^GA c>Ac e2 d | 
 d>^cd f>ed F>Ad f>ed |1 d>ed c>dc B3 :|2 d>ed cBA G3 ||  