Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:Edor
['', 'F2 ED', 'F2 ED E2']  
X:1
L:1/8
M:4/4
K:Edor
 EG |: BEGB AFDE | FB,DF A2 (3Bcd | efed BAFE | FdFE DABA | GAGG B,DGB | ADFA d2 (3efg | 
 afec dBAF |1 F2 ED E2 EG :|2 F2 ED EFGA |: B2 ef eBef | g2 fe fdeB | ABAF Adfa | bafe fdef | 
 g2 ef eBef | g2 fe fdeB | Aaef deBA |1 F2 ED E2 GA :|2 F2 ED E2 EG ||  