Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
M:2/4
K:F
['cccd c2 AB cccd']  
X:1
L:1/8
M:2/4
K:F
 cBAB | cBAB | cccd | cBAB | cccd | c2 AB | cccd | c2 AB | cccd | cBAd | cBAd | cBA z | dcBA | 
 GGF z |]  