Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
M:2/2
K:C
['B2 GB A2 FA', 'cded cB c2 GECE'  
X:1
L:1/8
M:2/2
K:C
 c | B2 GB A2 FA | GECE G2 c2 | B2 GB A2 FA | eDD^F A2 :: B | cded cB c2 | GECE G3 B | 
 defe d^c d2 | A^FDF A2 A2 | cded cB c2 | GECE G2 fg | afge fdec | dDD^F A2 :|  