Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/4
M:2/2
K:D
['f a3/2 b/ a f', 'f e d c d']  
X:1
L:1/4
M:2/2
K:D
 e | a2 ^g2 | a2 z a | b a g f |{f} e2 z f | a3/2 b/ a f | a3/2 b/ a f | g e a A | d2 z :: f | 
 e d c d | e3/2 f/ e f | e d c d |{d} e2 z f | e d c d | e3/2 f/ e e | f b e ^g | a2 z f | 
 a3/2 b/ a g |{g} f2 z a | g f (b/a/g/)f/ |{f} e2 z f/g/ | a3/2 b/ a g/f/ | (g/a/) b a g | 
 f e/d/ A c | d2 z :|  