Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/8
M:4/4
K:F
['', 'AFAc fagf ebge cBAG', 'A2 F2 F2', 'dfdf cfBf']  
X:1
L:1/8
M:4/4
K:F
 cB |: AFAc fagf | ebge cBAG | Acfa bgaf | e2 c2 cdcB | AFAc fagf | ebge cBAG | AfdB AcGc |1 
 A2 F2 F2 cB :|2 A2 F2 F2 fg |: afcf c'bgf | gceg bgfe | fedc Bagf | e2 c2 cdcB | AFAc fagf | 
 edcB AGFE | DfdB AcGc |1 A2 F2 F2 fg :|2 A2 F2 F2 cB |: ABGA FAcf | efde cega | afga bgaf | 
 e2 c2 c2 fe | dfdf cfBf | dfdf cfBf | Acfa bgaf | A2 F2 F2 ||  