Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
M:4/4
K:D
['', 'd2 (FG) AFAF', 'dBdB cAcA'  
X:1
L:1/8
M:4/4
K:D
 uA2 |: d2 (FG) AFAF | d2 (FG) AFAF | BAGF E2 |1 (ef) | gfed cABc :|2 (eg) | fdec d2 |: (de) | 
 f2 (df) dfdf | e2 (ce) cece | f2 (df) dfdf | edcB A2 (Bc) | dBdB cAcA | dBdB cAcA | afge fdec | 
 d2 d2 d2 :|  