Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
M:4/4
K:A
['c2 Ac', 'c3 d'  
X:1
L:1/8
M:4/4
K:A
 EFAB c2 Ac | c2 Ac BAFA | EFAB c3 d | ecAc B2 AF :| afef c3 d | cBAc BAFA | afef c3 d | 
 cBAc B2 fg | ae e2 fc c2 | ecAc BAFA | EFAB c3 d | ecAc B2 AF ||  