5 letter words:
autos5,
ratos5,
roast5,
rotas5,
roust5,
routs5,
sorta5,
stour5,
sutra5,
taros5,
toras5,
torus5,
tours5,
4 letter words:
arts4,
auto4,
oars4,
oast4,
oats4,
orts4,
osar4,
ours4,
oust4,
outs4,
rato4,
rats4,
rota4,
rots4,
rout4,
rust4,
ruts4,
soar4,
sora4,
sort4,
sour4,
star4,
stoa4,
sura4,
taos4,
taro4,
tars4,
taus4,
tora4,
tors4,
tour4,
tsar4,
ursa4,
utas4,
3 letter words:
ars3,
art3,
oar3,
oat3,
ora3,
ors3,
ort3,
our3,
out3,
ras3,
rat3,
rot3,
rut3,
sat3,
sau3,
sot3,
sou3,
tao3,
tar3,
tas3,
tau3,
tor3,
uta3,
uts3,
2 letter words:
ar2,
as2,
at2,
or2,
os2,
so2,
ta2,
to2,
us2,
ut2,