Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:2/2
K:F
['F AcAF Acfd', 'F3 c f>gac f>gac d>efA G3 F']  
X:1
L:1/8
M:2/2
K:F
 F | AcAF Acfd | c>dcA G3 F | AcAF Acfd | c>dcA F3 :: c | f>gac f>gac | d>efA G3 F | A>BcF Acfd | 
 c>dcA F3 :|  