Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/8
M:2/4
K:G
['dB eB d2 dB/c/', 'B/c/B/A/ BA GE']  
X:1
L:1/8
M:2/4
K:G
 dB eB | d2 dB/c/ | dB gB | BA A2 | dB eB | d2 dB/c/ | d>e dB | AG G2 :| B/c/B/A/ BA | GE DG/A/ | 
 B>A Bd | BA A2 | B/c/B/A/ BA | GE DB/c/ | d>e dB | AG G2 :|  