7 letter words:
suitors7,
tsouris7,
6 letter words:
firsts9,
foists9,
fortis9,
frists9,
frosts9,
fruits9,
frusts9,
roists6,
rosits6,
rostis6,
rousts6,
stours6,
suitor6,
sutors6,
tsoris6,
tsuris6,
tussor6,
urosis6,
5 letter words:
first8,
fists8,
foist8,
forts8,
fours8,
frist8,
frits8,
frost8,
fruit8,
frust8,
fusts8,
rifts8,
sifts8,
softs8,
surfs8,
tofus8,
turfs8,
ousts5,
riots5,
risus5,
roist5,
rosit5,
rosti5,
rosts5,
rotis5,
roust5,
routs5,
rusts5,
situs5,
sorts5,
sorus5,
sours5,
souts5,
stirs5,
stour5,
suits5,
sutor5,
tiros5,
torsi5,
torus5,
tours5,
trios5,
trois5,
truss5,
4 letter words:
firs7,
fist7,
fits7,
fort7,
foss7,
four7,
fous7,
fris7,
frit7,
fros7,
furs7,
fuss7,
fust7,
orfs7,
rifs7,
rift7,
sift7,
soft7,
surf7,
tofu7,
turf7,
ufos7,
isos4,
orts4,
ours4,
oust4,
outs4,
riot4,
rits4,
rost4,
roti4,
rots4,
rout4,
rust4,
ruts4,
sirs4,
sist4,
sits4,
sori4,
sort4,
sots4,
sour4,
sous4,
sout4,
sris4,
stir4,
suit4,
tiro4,
tori4,
tors4,
toss4,
tour4,
trio4,
tuis4,
utis4,
3 letter words:
fir6,
fit6,
for6,
fou6,
fro6,
fur6,
ifs6,
oft6,
orf6,
rif6,
sif6,
ufo6,
ios3,
iso3,
its3,
ors3,
ort3,
our3,
ous3,
out3,
rit3,
rot3,
rut3,
sir3,
sis3,
sit3,
sos3,
sot3,
sou3,
sri3,
sui3,
sur3,
sus3,
tis3,
tor3,
tui3,
uts3,
2 letter words:
if5,
of5,
io2,
is2,
it2,
oi2,
or2,
os2,
ou2,
si2,
so2,
st2,
ti2,
to2,
ur2,
us2,
ut2,