Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/16
M:2/4
K:Bb
['(FE) DdcB Agfe gf d4', 'fdBF DFBd ecAF EFCE']  
X:1
L:1/16
M:2/4
K:Bb
 (FE) | DdcB Agfe | gf d4 f2 | (fe)(ed) (dc)(cB) | Bd F4 (FE) | DdcB Agfe | gf d4 (fg) | 
 fecA .F2(GA) | B2d2B2 :: bg | fdBF DFBd | ecAF EFCE | DFBA GBed | c=Bcd .c2(b2>g2) | fdBF DFBd | 
 ecAF EFCE | DFBF GecA | B2d2B2 :|  