Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/8
M:2/4
K:D
['f/d/f/a/ gc ed A/d/d fe', 'A2 AF/G/ Af/g/ f/e/d g2 ge/c/']  
X:1
L:1/8
M:2/4
K:D
 f/d/f/a/ gc | ed A/d/d | fe A/c/e/f/ | gf/g/ f/e/d | f/d/f/a/ gc | ed A/d/d | fe g/e/c/e/ | 
 df d z :: A2 AF/G/ | Af/g/ f/e/d | g2 ge/c/ | df/g/ f/e/d | A2 AF/G/ | Af/g/ f/e/d | g2 ge/c/ | 
 df d2 :|  