Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
M:4/4
K:G
['A>B cB AG', "c>d ec'/b/ ag"  
X:1
L:1/8
M:4/4
K:G
 A>B cB | AG e2 | ed dc/d/ | ed de | A>B cB | AG e>d | cA BG | A2 A2 :| c>d ec'/b/ | ag e2 | 
 ed dc/d/ | ed de | c>d ec'/b/ | ag e>d | cA BG | A2 A2 :|  