Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/8
M:4/4
K:C
['(B/c/d)c BdB', 'dgf gdB', 'cBA dBG (G/A/B)c dBG gfe dBG GBG']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:G] .abc (B/c/d)c BdB | GBd gdB | (B/c/d)c BdB | AFA cBA | (B/c/d)c BdB | GBd gdB | 
 cac BgB | AFA cBA :: dgf gdB | gag gba | gag gdB | (F/G/A)B cde | dgf gdB | gfe dcB | cac BgB | 
 AFA cBA :: dBG (G/A/B)c | dBG gfe | dBG GBG | AFA cde | dBG GBd | gfe dcB | cac BgB | AFA cBA :|  