Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:2/4
K:D
['DF/A/ BA d2 dc BA', 'cd/c/ BA']  
X:1
L:1/8
M:2/4
K:D
|: DF/A/ BA | d2 dc | BA Bc | B/c/B/A/ FA | DF/A/ BA | d2 dc | BA B/c/d |1 ed d2 :|2 ed de || 
 fg/f/ ef/e/ | de/d/ cd/c/ | BA Bc | B/c/B/A/ FA | fg/f/ ef/e/ | de/d/ cd/c/ | BA B/c/d | ed de | 
 fg/f/ ef/e/ | de/d/ cd/c/ | BA Bc | B/c/B/A/ FA | DF/A/ BA | d2 dc | BA B/c/d | ed d2 ||  