Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/8=180
M:6/8
K:C
['dBB eBB dBB BAG efg dcB', 'dBB gfe'  
X:1
L:1/8
Q:1/8=180
M:6/8
K:C
|: dBB eBB | dBB BAG | efg dcB | ABG FED | dBB eBB | dBB BAG | efg dcB | cAF G3 :: dBB gfe | 
 dec BAG | dBB gfe | dBG A3 | dBB gfe | dec BAG | efg dcB | cBA G3 :|  