6 letter words:
rubati8,
turban8,
nutria6,
5 letter words:
bairn7,
brain7,
brant7,
bruin7,
bruit7,
brunt7,
buran7,
burin7,
burnt7,
nubia7,
tabun7,
unbar7,
urban7,
urbia7,
nairu5,
riant5,
rutin5,
train5,
4 letter words:
abri6,
abut6,
bait6,
bani6,
barn6,
bint6,
bran6,
brat6,
brin6,
brit6,
brut6,
buna6,
bunt6,
bura6,
burn6,
tabu6,
tuba6,
airn4,
airt4,
anti4,
aunt4,
rain4,
rani4,
rant4,
ruin4,
runt4,
tain4,
tarn4,
tuna4,
turn4,
unai4,
unit4,
3 letter words:
arb5,
ban5,
bar5,
bat5,
bin5,
bit5,
bra5,
bun5,
bur5,
but5,
nab5,
nib5,
nub5,
rib5,
rub5,
tab5,
tub5,
urb5,
ain3,
air3,
ait3,
ani3,
ant3,
art3,
nit3,
nut3,
rai3,
ran3,
rat3,
ria3,
rin3,
run3,
rut3,
tan3,
tar3,
tau3,
tin3,
tui3,
tun3,
urn3,
uta3,
2 letter words:
ab4,
ba4,
bi4,
ai2,
an2,
ar2,
at2,
in2,
it2,
na2,
nu2,
ta2,
ti2,
un2,
ut2,