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:Emin
['BEF G2', 'BEF GAB AFD']  
X:1
L:1/8
M:6/8
K:Emin
|: BEF G2 A | Bee dBA | BEF G2 B | AFD AFD | BEF G2 A | Bee dBA | BEF GAB |1 AFD E3 :|2 AFD E2 f |: 
 gfe fed | Bee Bee | gfe fed | B^cd e2 f |1 gfe fed | Bee Bee | BEF GAB | AFD E2 f :|2 g3 a3 | 
 bge dBA | BEF GAB | AFD E3 :|  