6 letter words:
burans8,
unbars8,
5 letter words:
barns7,
brans7,
bunas7,
buran7,
buras7,
burns7,
bursa7,
unbar7,
urban7,
4 letter words:
arbs6,
bans6,
barn6,
bars6,
bran6,
bras6,
buna6,
buns6,
bura6,
burn6,
burs6,
nabs6,
nubs6,
rubs6,
snub6,
suba6,
urbs6,
anus4,
runs4,
sura4,
urns4,
ursa4,
3 letter words:
abs5,
arb5,
ban5,
bar5,
bas5,
bra5,
bun5,
bur5,
bus5,
nab5,
nub5,
rub5,
sab5,
sub5,
urb5,
ars3,
nus3,
ran3,
ras3,
run3,
sau3,
sun3,
uns3,
urn3,
2 letter words:
ab4,
ba4,
an2,
ar2,
as2,
na2,
nu2,
un2,
us2,
