Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
['B2 A', 'a2 a fef'  
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
 A | ded F2 A | B2 A ABc | d2 d ede | f2 d def | g2 g f2 f | efd c2 A | dcd AFA |"^NB1" B2 A A2 :: 
"^NB2" f/g/ | a2 a fef | gfg efg | a2 a fef | ecA Afg | afa geg | fdf ecA | ded AFA | 
"^NB3" B2 c d2 :|  