Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
Q:1/2=104
M:2/2
K:Bb
['F(B/c/) dB', 'fdBd fdbd cBcd']  
X:1
L:1/8
Q:1/2=104
M:2/2
K:Bb
 B | F(B/c/) dB fBdB | F(B/c/) dB c G2 B | F(B/c/) dB fdbf | fdcd B/B/B B :| d | fdBd fdbd | 
 cBcd cBGg | fdBd fdbd | cBcd B/B/B Bd | fdBd fdbd | cBcd cBGB | FBDB EBCF | B,edc B/B/B B |]  