Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:Edor
['B2 GB', 'g2 gf gfed']  
X:1
L:1/8
M:4/4
K:Edor
 B2 GB EBGB | BAFA DAFA | B2 GB EFGA | (3Bcd ed Bded | B2 BB dBGB | A2 FA dAFA | BEED EFGA | 
 Bded Bdef || g2 gf gfed | ABBA Bdef | gbef fefd | BdAd BEEB | g2 gf gfed | B2 AB GBAF | 
 E2 EF GFGA | (3Bcded BdAd ||  