Develop melodies according to the outlined musical structure, including the given motif.
X:1
L:1/8
M:2/4
K:F
['D2 GF']  
X:1
L:1/8
M:2/4
K:F
 AcAc | A2 GF | G F2 F | DFDF | D2 GF | F D2 F | GFGA | D2 GF | FD z2 |]  