Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:2/2
K:D
['DAFD AFdA Bged', 'd2 dc']  
X:1
L:1/8
M:2/2
K:D
 FE | DAFD AFdA | Bged cbag | fedc Bged | cdBc AGFE | DAFD AFdA | Bged ceag | fedc Bgec | 
 d2 dc d2 :: z b | a3 f deed | bagf eAce | g3 A (3Bcd ef | g2 fg egfe | d2 dc dAFA | Bged ceag | 
 fedc Bgec | d2 dc d2 :|  