7 letter words:
snubber11,
5 letter words:
burbs9,
begun8,
bergs8,
brung8,
bungs8,
burgs8,
grubs8,
brens7,
burns7,
burse7,
rebus7,
rubes7,
suber7,
genus6,
grues6,
negus6,
rungs6,
surge6,
urges6,
nurse5,
runes5,
4 letter words:
bubs8,
burb8,
ebbs8,
begs7,
berg7,
bugs7,
bung7,
burg7,
grub7,
bens6,
bren6,
buns6,
burn6,
burs6,
nebs6,
nubs6,
rebs6,
rube6,
rubs6,
snub6,
unbe6,
urbs6,
engs5,
ergs5,
gens5,
genu5,
gnus5,
grue5,
guns5,
negs5,
regs5,
rugs5,
rung5,
snug5,
sung5,
urge5,
erns4,
rues4,
rune4,
runs4,
ruse4,
suer4,
sure4,
urns4,
user4,
3 letter words:
bub7,
ebb7,
beg6,
bug6,
ben5,
bes5,
bun5,
bur5,
bus5,
neb5,
nub5,
reb5,
rub5,
sub5,
urb5,
eng4,
erg4,
gen4,
gnu4,
gun4,
neg4,
reg4,
rug4,
seg4,
ens3,
ern3,
ers3,
nus3,
res3,
rue3,
run3,
sen3,
ser3,
sue3,
sun3,
uns3,
urn3,
use3,
2 letter words:
be4,
en2,
er2,
es2,
ne2,
nu2,
re2,
un2,
us2,