10 letter words:
fictitious15,
8 letter words:
ouistiti8,
7 letter words:
outfits10,
6 letter words:
fistic11,
fustic11,
outfit9,
coitus8,
otitic8,
otitis6,
outsit6,
5 letter words:
coifs10,
cuifs10,
ficus10,
focus10,
foist8,
tofts8,
tofus8,
tufts8,
cutis7,
ictus7,
scout7,
stoic7,
stout5,
titis5,
toits5,
touts5,
4 letter words:
coft9,
coif9,
cuif9,
fico9,
fisc9,
foci9,
fuci9,
fist7,
fits7,
sift7,
soft7,
toft7,
tofu7,
tuft7,
cist6,
cost6,
cots6,
cuts6,
otic6,
scot6,
scut6,
tics6,
oust4,
outs4,
stot4,
suit4,
titi4,
tits4,
toit4,
tost4,
tots4,
tout4,
tuis4,
tuts4,
3 letter words:
fit6,
fou6,
ifs6,
oft6,
cis5,
cos5,
cot5,
cut5,
sic5,
tic5,
its3,
out3,
sit3,
sot3,
sou3,
tis3,
tit3,
tot3,
tui3,
tut3,
uts3,
2 letter words:
if5,
of5,
is2,
it2,
oi2,
os2,
si2,
so2,
ti2,
to2,
us2,
ut2,
