Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:6/8
K:G
['G,B,D E2 D DB,D', 'efe d2 B BAG']  
X:1
L:1/8
M:6/8
K:G
 G,B,D E2 D | DB,D G2 G, | G,B,D C2 B | AGF G3 | G,B,D E2 D | DB,D GAB | d3 B3 |1 AGF G3 :|2 
 AGF GBd |: efe d2 B | BAG GBd | efe d2 B | BAG ABd | efe d2 B | BAG GAB | c3 B3 |1 AGF GBd :|2 
 AGF GDB, ||  