Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:D
['', 'fdec dAFA GABG E2 ed c2 B2', 'AG FAdA FAdf e2 ce Aece FADA']  
X:1
L:1/8
M:4/4
K:D
 d2 e2 |: fdec dAFA | GABG E2 ed | c2 B2 Acec | defd A2 de | fdec dAFA | GABG E2 ed | c2 B2 Aceg |1 
 fdec d2 e2 :|2 fdec d2 AG |: FAdA FAdA | GBAG B2 AG | FAdA FAdf | e2 ce Aece | FADA FADA | 
 GBAG B2 AG | FAdf gece | dfec d4 :|  