Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:6/8
K:F
['AAA GFG A2 F C3']  
X:1
L:1/8
M:6/8
K:F
 c | AAA GFG | A2 F C3 | AAA B2 A | G6 | AAA GFG | A2 F C3 | GGG A2 G | F6 |]  