Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/4
M:3/4
K:C
['F E D']  
X:1
L:1/4
M:3/4
K:C
 C | F E D | G G G/G/ | E C C | C2 (F/G/) | c G G | c d e | d3 | B2 c/d/ | (e d) c | d c B | 
 (c B) A | E F G | F E D | E F G | E C2- | C2 ||  