Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
M:2/2
K:G
['e3 f'  
X:1
L:1/8
M:2/2
K:G
"G" G3 B"D" A2 GA |"Em" BE E2 GE D2 |"G" GFGA BABd |1"D" (3efg fg"Em" edBA :|2 
"D" (3efg fg"Em" e3 f |:"Em" g2 fg edBc |"D" d2 ed B d3 |1"Em" g2 fg edBd | 
"D" (3efg fg"Em" e3 f :|2"C" e3 f edBd | (3efg fa"D" gedB |]  