Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/8
Q:1/8=180
M:6/8
K:E
['efg BGB', 'EGB BGE cAc']  
X:1
L:1/8
Q:1/8=180
M:6/8
K:E
|: B | efg BGB | cAc BGB | efg BGB | cGF F2 B | efg BGB | cAc BGB | ece BGB | GEE E2 :: F | 
 EGB BGE | cAc BGE | EGB BAG | Fff f2 G | EGB BGE | cAc Bcd | ece BGB | GEE E2 :|  