9 letter words:
fatuitous12,
7 letter words:
fatuous10,
outfast10,
outfits10,
6 letter words:
fouats9,
outfit9,
autist6,
outsat6,
outsit6,
tatous6,
tatsoi6,
5 letter words:
fasti8,
fatso8,
fauts8,
fiats8,
fitts8,
foist8,
fouat8,
softa8,
tifts8,
tofts8,
tofus8,
tufas8,
tufts8,
aitus5,
autos5,
iotas5,
ostia5,
stoai5,
stoat5,
stoit5,
stout5,
sutta5,
taits5,
tatou5,
tatus5,
tauts5,
toast5,
toits5,
touts5,
tutus5,
4 letter words:
aufs7,
fast7,
fats7,
faut7,
fiat7,
fist7,
fits7,
fitt7,
fous7,
fust7,
oafs7,
saft7,
sift7,
sofa7,
soft7,
tift7,
toft7,
tofu7,
tufa7,
tuft7,
ufos7,
aits4,
aitu4,
auto4,
iota4,
itas4,
oast4,
oats4,
oust4,
outs4,
sati4,
saut4,
sout4,
stat4,
stoa4,
stot4,
suit4,
tais4,
tait4,
taos4,
tats4,
tatu4,
taus4,
taut4,
tits4,
toit4,
tosa4,
tost4,
tots4,
tout4,
tuis4,
tuts4,
tutu4,
utas4,
utis4,
utus4,
3 letter words:
aft6,
auf6,
fas6,
fat6,
fit6,
fou6,
ifs6,
oaf6,
oft6,
sif6,
ufo6,
ais3,
ait3,
att3,
ios3,
iso3,
ita3,
its3,
oat3,
ous3,
out3,
sai3,
sat3,
sau3,
sit3,
sot3,
sou3,
sui3,
tai3,
tao3,
tas3,
tat3,
tau3,
tis3,
tit3,
tot3,
tui3,
tut3,
uta3,
uts3,
utu3,
2 letter words:
fa5,
if5,
of5,
ai2,
as2,
at2,
io2,
is2,
it2,
oi2,
os2,
ou2,
si2,
so2,
st2,
ta2,
ti2,
to2,
us2,
ut2,