Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/16
M:2/4
K:G
['Bc d2dB G2BG AFAA B2c2 d2dB G2cc', 'g2gg a2gg']  
X:1
L:1/16
M:2/4
K:G
 Bc | d2dB G2BG | AFAA B2c2 | d2dB G2cc | BGAF G2 :: ef | g2gg a2gg | b2bb agef | g2gg a2gg | 
 bgaf g2ef | g2gg a2gg | b2bb ageB | d2dB G2cc | BGAF G2 :|  