Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['FA AF']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: G | FA AF GB BG | FA AF GF ED | FA AF GF GA | Bd AF D2 DG | FA AF GB BG | FA AF GF ED | 
 FA AF GF GA | Bd AF D2 Dg | fd eg fd ef | gf ed B2 Ag | fd eg fd eg | fa ef d2 dg | fd eg fd ef | 
 gf ed B2 A2 | FA FA GF GA | Bd AF D3 :|  