Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/2=70
M:2/2
K:D
['D DFAc decA B/c/d/B/ AF GBFE DFAc', 'afdf bagf', 'DAFD EBGE'  
X:1
L:1/8
Q:1/2=70
M:2/2
K:D
 D | DFAc decA | B/c/d/B/ AF GBFE | DFAc dfcA | Bgec d2 D :: fg | afdf bagf | gfed cecA | 
 afdf bagf | gfed dAFD :: DAFD EBGE | DAFD A,ECA, | DAFD EBGE | Aaec d2 D2 :|  