Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
Q:1/4=110
M:6/8
K:F
['B2 B']  
X:1
L:1/8
Q:1/4=110
M:6/8
K:F
"F" A3 B2 B | A3 F3 |"Dm" F3"C" G2 G |"F" A6 | A3 B2 B | A3 F3 |"C7" G3 A2 G |"F" F6 | 
"Bb" B3 B2 B |"F" B2 A A3 |"C7" c3 G2 B |"F" B2 A A3 |"F" F3 F2 F |"Bb" F2 G A3 | 
"F/C" A3"C7" !fermata!A2 G |"F" F6 |]  