Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/8
M:2/4
K:G
['G>A BG EG ED', 'd>B GA']  
X:1
L:1/8
M:2/4
K:G
|: G>A BG | EG ED | G>A Bd | B2 A2 | G>A BG | EG ED | BG D>F | A2 G2 :: d>B GA | BG ED | d>B GA | 
 B2 A2 | d>B GA | BG ED | BG D>F | A2 G2 :|  