Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
M:4/4
K:D
['FG ABAG FG A2 B2 B2 A4', 'Bc d2']  
X:1
L:1/8
M:4/4
K:D
|: FG | ABAG FG A2 | B2 B2 A4 | Bc d2 cd e2 | g2 f2 e2 FG | ABAG FG A2 | B2 B2 A4 | Bc d2 cd e2 | 
 e4 d2 :: de | f2 gf e2 fe | dfed dcBA | Bc d2 c2 d2 | g2 f2 e4 | ABAG FG A2 | Bc d2 A4 | 
 Bc d2 c2 de | e4 d2 :|  