Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/4
Q:1/2=120
M:3/2
K:G
['B3/2 c/ d B A G', 'B c d e f']  
X:1
L:1/4
Q:1/2=120
M:3/2
K:G
"^Allegretto" B3/2 c/ d B A G | F A A B c A | B3/2 c/ d B A G | D G G B A G :: B c d e f g | 
 a A A c B A | B c d e f a | g G G B A G :|  