Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
M:6/8
K:Bmin
['AFA A2 B', 'dff fef']  
X:1
L:1/8
M:6/8
K:Bmin
|: (d/B/) | AFA A2 B | AFA A2 B | AFD DFA | B2 A Bcd | AFA BGB | cAc d2 B/c/ | def gfe | fdB B2 :| 
 d | dff fef | fef fef | dff fef | dBB B2 A | dff fef | fef g2 a | bab fef | dBB B2 :|  