6 letter words:
geburs9,
5 letter words:
bergs8,
burgs8,
gebur8,
grubs8,
burse7,
rebus7,
rubes7,
suber7,
grues6,
surge6,
urges6,
4 letter words:
begs7,
berg7,
bugs7,
burg7,
grub7,
gubs7,
brus6,
burs6,
rebs6,
rube6,
rubs6,
urbs6,
ergs5,
grue5,
gues5,
gurs5,
regs5,
rugs5,
urge5,
rues4,
ruse4,
suer4,
sure4,
ures4,
user4,
3 letter words:
beg6,
bug6,
gub6,
bes5,
bru5,
bur5,
bus5,
reb5,
rub5,
sub5,
urb5,
erg4,
gue4,
gur4,
gus4,
reg4,
rug4,
seg4,
ugs4,
ers3,
res3,
rue3,
ser3,
sue3,
sur3,
ure3,
use3,
2 letter words:
be4,
gu3,
ug3,
er2,
es2,
re2,
ur2,
us2,
