Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:3/8=144
M:9/8
K:F
['ABc cBA', 'AGF fga fga g3 a2 d d2']  
X:1
L:1/8
Q:3/8=144
M:9/8
K:F
 ABc cBA f3 | g2 G G2 G BAG | ABc cBA d3 | FGF F2 B AGF :: fga fga g3 | a2 d d2 e fed | 
 fed cBA d3 | FGF F2 B AGF :|  