Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:2/2
K:A
['AAce ddec AAce', 'Aaga fdec']  
X:1
L:1/8
M:2/2
K:A
 E | AAce ddec | AAce d>cBc | AAce ddec | AAce dB A :: Aaga fdec | Aaga f^d e2 | Aaga fdec | 
 AAce dB A2 :|  