Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:2/2
K:G
['dGBG FAAc BGBd (e/f/g)', 'a2 d2 dgfg afed']  
X:1
L:1/8
M:2/2
K:G
 ug"^Segno" | dGBG FAAc | BGBd (e/f/g) f>e | dGBG FAAB | EGFA G3 g | dGBG FAAc | 
 BGBd (e/f/g) (f>e) | dGBG FAAB | EGFA G2 G |] !fermata!d | g2 f>g afed | ggf>g{fg} a2 d2 | 
 dgfg afed | (e/f/g) (f/g/a) g2 g>d | g2 f>g afed | ggfg{fg} a2 d2 | dgfg afed | 
 egfa gbeg"^Segno" |]  