12 letter words:
brontosaurus14,
11 letter words:
brontosaurs13,
10 letter words:
brontosaur12,
9 letter words:
roborants11,
runabouts11,
susurrant9,
8 letter words:
arborous10,
burnouts10,
outburns10,
roborant10,
robustas10,
runabout10,
sunburst10,
arsonous8,
outroars8,
outsoars8,
santoors8,
santours8,
7 letter words:
abortus9,
arbours9,
arbutus9,
auburns9,
ausubos9,
autobus9,
bassoon9,
bostons9,
boutons9,
burnous9,
burnout9,
bursars9,
burtons9,
outburn9,
robusta9,
rubatos9,
rubouts9,
suborns9,
tabours9,
turbans9,
anurous7,
assuror7,
orators7,
outroar7,
outruns7,
outsoar7,
ratoons7,
runouts7,
santoor7,
santour7,
santurs7,
sartors7,
unroots7,
untruss7,
uranous7,
6 letter words:
aborts8,
arbors8,
arbour8,
auburn8,
ausubo8,
barons8,
batons8,
boarts8,
boasts8,
boosts8,
borons8,
bosons8,
boston8,
bosuns8,
bourns8,
bouton8,
brants8,
brunts8,
burans8,
burros8,
bursar8,
bursas8,
bursts8,
burton8,
robots8,
robust8,
rubato8,
rubout8,
rurban8,
sabots8,
suborn8,
taboos8,
tabors8,
tabour8,
tabuns8,
turban8,
turbos8,
unbars8,
arsons6,
assort6,
aurous6,
orator6,
outran6,
outrun6,
ratoon6,
roasts6,
roosts6,
rostra6,
rotors6,
rousts6,
runout6,
santos6,
santur6,
sartor6,
snoots6,
snorts6,
snouts6,
sonars6,
stours6,
surras6,
sutras6,
tarsus6,
tauons6,
torous6,
torsos6,
tronas6,
tussar6,
tussor6,
tussur6,
unroot6,
5 letter words:
aboon7,
abort7,
about7,
abuts7,
arbor7,
barns7,
baron7,
basso7,
basts7,
baton7,
boars7,
boart7,
boast7,
boats7,
bonus7,
boons7,
boors7,
boost7,
boots7,
boras7,
boron7,
borts7,
boson7,
bosun7,
botas7,
bourn7,
bouts7,
brans7,
brant7,
brass7,
brats7,
broos7,
brunt7,
bruts7,
bunas7,
bunts7,
buran7,
buras7,
burns7,
burnt7,
burro7,
burrs7,
bursa7,
burst7,
busts7,
robot7,
rubus7,
sabot7,
snobs7,
snubs7,
sobas7,
sorbs7,
stabs7,
stobs7,
stubs7,
subas7,
taboo7,
tabor7,
tabun7,
tabus7,
tsuba7,
tubas7,
turbo7,
unbar7,
urban7,
arson5,
aunts5,
autos5,
oasts5,
ousts5,
rants5,
ratos5,
roans5,
roars5,
roast5,
roost5,
roots5,
rotas5,
rotor5,
rotos5,
roust5,
routs5,
runts5,
rusts5,
santo5,
saros5,
snoot5,
snort5,
snots5,
snout5,
soars5,
sonar5,
soots5,
soras5,
sorns5,
sorta5,
sorts5,
sorus5,
sours5,
stars5,
stoas5,
stour5,
stuns5,
suras5,
surra5,
sutra5,
tarns5,
taros5,
tauon5,
tonus5,
toons5,
toras5,
toros5,
torrs5,
torso5,
torus5,
tours5,
trans5,
trass5,
trona5,
truss5,
tsars5,
tunas5,
turns5,
unaus5,
4 letter words:
abos6,
abut6,
arbs6,
bans6,
barn6,
bars6,
bass6,
bast6,
bats6,
boar6,
boas6,
boat6,
boon6,
boor6,
boos6,
boot6,
bora6,
born6,
bort6,
boss6,
bota6,
bots6,
bout6,
bran6,
bras6,
brat6,
broo6,
bros6,
brut6,
buna6,
buns6,
bunt6,
bura6,
burn6,
burr6,
burs6,
buss6,
bust6,
buts6,
nabs6,
nobs6,
nubs6,
obas6,
orbs6,
robs6,
rubs6,
sabs6,
snob6,
snub6,
soba6,
sobs6,
sorb6,
stab6,
stob6,
stub6,
suba6,
subs6,
tabs6,
tabu6,
tuba6,
tubs6,
urbs6,
ants4,
anus4,
arts4,
aunt4,
auto4,
naos4,
nota4,
nous4,
nuts4,
oars4,
oast4,
oats4,
onos4,
onto4,
onus4,
oots4,
orra4,
orts4,
osar4,
ossa4,
ours4,
oust4,
outs4,
rant4,
rato4,
rats4,
roan4,
roar4,
root4,
rota4,
roto4,
rots4,
rout4,
runs4,
runt4,
rust4,
ruts4,
sans4,
snot4,
soar4,
sons4,
soon4,
soot4,
sora4,
sorn4,
sort4,
sots4,
sour4,
sous4,
star4,
stoa4,
stun4,
suns4,
sura4,
tans4,
taos4,
tarn4,
taro4,
tars4,
tass4,
taus4,
tons4,
toon4,
tora4,
torn4,
toro4,
torr4,
tors4,
toss4,
tour4,
tsar4,
tuna4,
tuns4,
turn4,
unau4,
unto4,
urns4,
ursa4,
urus4,
utas4,
3 letter words:
abo5,
abs5,
arb5,
ban5,
bar5,
bas5,
bat5,
boa5,
boo5,
bos5,
bot5,
bra5,
bro5,
brr5,
bun5,
bur5,
bus5,
but5,
nab5,
nob5,
nub5,
oba5,
orb5,
rob5,
rub5,
sab5,
sob5,
sub5,
tab5,
tub5,
urb5,
ant3,
ars3,
art3,
ass3,
noo3,
nor3,
nos3,
not3,
nus3,
nut3,
oar3,
oat3,
ono3,
ons3,
oot3,
ora3,
ors3,
ort3,
our3,
out3,
ran3,
ras3,
rat3,
rot3,
run3,
rut3,
sat3,
sau3,
son3,
sos3,
sot3,
sou3,
sun3,
tan3,
tao3,
tar3,
tas3,
tau3,
ton3,
too3,
tor3,
tun3,
uns3,
urn3,
uta3,
uts3,
2 letter words:
ab4,
ba4,
bo4,
an2,
ar2,
as2,
at2,
na2,
no2,
nu2,
on2,
or2,
os2,
so2,
ta2,
to2,
un2,
us2,
ut2,
