Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/8
M:2/4
K:A
['AF FE', 'cB BA']  
X:1
L:1/8
M:2/4
K:A
 c2 c>B | AF FE | FB Bc/B/ | AF FE | c2 c>B | AF FE | FA Bc/B/ | A2 AB :: cB BA | cB BA | 
 B2 Bc/B/ | AF FE | cB BA | cB BA | B2 Bc/B/ | A2 AB :|  