Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/16
M:2/4
K:Ab
['f>ffcf2cf f>fecBA2B']  
X:1
L:1/16
M:2/4
K:Ab
 f>ffcf2cf | f>fecBA2B | c2b2abce | f2>c2 f4 | f>ffcf2cf | f>fecBA2B | c2b2a2bc | f8 |]  