Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:A
['B2 gf eccB', 'e2 ce dBBA BF F2']  
X:1
L:1/8
M:4/4
K:A
|: EAAc B2 gf | eccB cAFA | EFAc B2 gf | eccB cA A2 :: aefa e2 ce | dBBA BF F2 | aefa eac'a | 
 babc' a3 b | c'afa e2 ce | dBBA BF F2 | EFAc B2 gf | eccB cA A2 :|  