Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
M:2/4
K:D
['AB AF AB de', '.b/.b/.b af ef |1 dB B2 f>a']  
X:1
L:1/8
M:2/4
K:D
|: AB AF | AB de | f/g/a ef | dB Bd | AB AF | AB de |1 f/g/a ef | dc dB :|2 ba ef | d2 d2 || 
 f>a .a/.a/.a | g>b .b/.b/.b | af ef |1 dB B2 | f>a .a/.a/.a | g>b bc' | d'c' ba | b2 b2 :|2 
 dB Bd | AB AF | AB de | ba ef | d2 d2 ||  