7 letter words:
burgers10,
6 letter words:
burger9,
surger7,
urgers7,
5 letter words:
bergs8,
burgs8,
grubs8,
burrs7,
burse7,
rebus7,
rubes7,
suber7,
grues6,
surge6,
urger6,
urges6,
ruers5,
surer5,
4 letter words:
begs7,
berg7,
bugs7,
burg7,
grub7,
burr6,
burs6,
rebs6,
rube6,
rubs6,
urbs6,
ergs5,
grue5,
regs5,
rugs5,
urge5,
errs4,
ruer4,
rues4,
ruse4,
suer4,
sure4,
user4,
3 letter words:
beg6,
bug6,
bes5,
brr5,
bur5,
bus5,
reb5,
rub5,
sub5,
urb5,
erg4,
reg4,
rug4,
seg4,
err3,
ers3,
res3,
rue3,
ser3,
sue3,
use3,
2 letter words:
be4,
er2,
es2,
re2,
us2,