9 letter words:
unburrows14,
8 letter words:
unburrow13,
7 letter words:
burrows12,
burnous9,
6 letter words:
browns11,
burrow11,
sunbow11,
bourns8,
burros8,
suborn8,
5 letter words:
bowrs10,
brown10,
brows10,
sworn8,
swoun8,
bonus7,
bosun7,
bouns7,
bourn7,
burns7,
burro7,
burrs7,
rubus7,
nurrs5,
rurus5,
urson5,
4 letter words:
bowr9,
bows9,
brow9,
swob9,
nows7,
owns7,
rows7,
snow7,
sown7,
wons7,
worn7,
born6,
bors6,
boun6,
bros6,
brus6,
buns6,
burn6,
burr6,
burs6,
nobs6,
nubs6,
orbs6,
robs6,
rubs6,
snob6,
snub6,
sorb6,
urbs6,
nous4,
nurr4,
nurs4,
onus4,
ourn4,
ours4,
runs4,
ruru4,
sorn4,
sour4,
urns4,
urus4,
3 letter words:
bow8,
now6,
own6,
row6,
sow6,
won6,
wos6,
wus6,
bon5,
bor5,
bos5,
bro5,
brr5,
bru5,
bun5,
bur5,
bus5,
nob5,
nub5,
obs5,
orb5,
rob5,
rub5,
sob5,
sub5,
urb5,
nor3,
nos3,
nur3,
nus3,
ons3,
ors3,
our3,
ous3,
run3,
son3,
sou3,
sun3,
sur3,
uns3,
urn3,
2 letter words:
ow5,
wo5,
bo4,
ob4,
no2,
nu2,
on2,
or2,
os2,
ou2,
so2,
un2,
ur2,
us2,