Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
M:6/8
K:none
['B B2 d']  
X:1
L:1/8
M:6/8
K:none
[K:G] B | B2 d d"_c"cB | (A3 A2) B |"_c" c2 d e2 c | (B3 B2) B | B2 d d"_c"cB | A3 e3 | 
 d2 e d2"_c" c | B3 B2 z |]  