Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:4/4
K:D
['dcde fdAF GFGA B2 AG FDFA d2', 'd2 c2']  
X:1
L:1/8
M:4/4
K:D
|: (3ABc | dcde fdAF | GFGA B2 AG | FDFA d2 ef | gfed cB A2 | dcde fdAF | GFGA B2 AG | 
 FDFA d2 ef |1 gecA d2 :|2 gecA d4 |: FBBc dcBA | FBBc dc B2 | EAAB cABA | EAAB cB A2 | FBBc dcBA | 
 FBBc dc B2 | f3 g f2 e2 |1 d2 c2 B4 :|2 d2 c2 B2 ||  