Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/8
M:4/4
K:G
['DGdc BGDB, GDBG', 'BGDB, GDBG']  
X:1
L:1/8
M:4/4
K:G
 Bc | edBG DGdc | BGDB, GDBG | cAec BGdB | AGFG A2 Bc | d2 BG DGdc | BGDB, GDBG | Acec BAGF | 
 A2 G2 G2 :: dc | BGDB, GDBG | dBgd BGdB | cAec BGdB | AGFG A2 Bc | d2 BG DGdc | BGDB, GDBG | 
 Acec BAGF | A2 G2 G2 :|  