Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/8
M:4/4
K:D
['DF F2 DFAB defe dB B2 AF', 'dfaf g2']  
X:1
L:1/8
M:4/4
K:D
 DF F2 DFAB | defe dB B2 | AF F2 BFAF | E2 EF E2 FE | DF F2 DFAB | defe dB B2 | AF F2 dFAF | 
 EDFE D4 :: df f2 dfaf | g2 fe dB B2 | dBBA Bcde | fdgf e2 fe | dfaf g2 bg | fafe dB B2 | 
 AF F2 dFAF | EDFE D4 :|  