Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:1/8=120
M:2/2
K:Ddor
['afga f e/f/ da afga', 'de ecde']  
X:1
L:1/8
Q:1/8=120
M:2/2
K:Ddor
 a | afga | f e/f/ da | afga | f2 fa | afga | f e/f/ da | afga | f2 de || ecde | f e/f/ de | ecde | 
 f2 de | ecde | f e/f/ de | ecde | f2 d ||  