8 letter words:
extincts17,
7 letter words:
extinct16,
6 letter words:
incest8,
insect8,
nicest8,
tincts8,
sitten6,
5 letter words:
xenic14,
exist12,
exits12,
nixes12,
sixte12,
texts12,
cents7,
cesti7,
cines7,
cites7,
scent7,
since7,
tinct7,
inset5,
neist5,
netts5,
nites5,
senti5,
stein5,
stent5,
stint5,
tents5,
tines5,
tints5,
4 letter words:
exit11,
next11,
nixe11,
sext11,
text11,
cent6,
cine6,
cist6,
cite6,
etic6,
ices6,
nice6,
sect6,
sice6,
tics6,
nest4,
nets4,
nett4,
nite4,
nits4,
sent4,
sett4,
sine4,
site4,
snit4,
stet4,
tens4,
tent4,
test4,
tets4,
ties4,
tine4,
tins4,
tint4,
tits4,
3 letter words:
nix10,
sex10,
six10,
xis10,
cis5,
ice5,
sec5,
sic5,
tic5,
ens3,
ins3,
its3,
net3,
nit3,
sei3,
sen3,
set3,
sin3,
sit3,
ten3,
tet3,
tie3,
tin3,
tis3,
tit3,
2 letter words:
ex9,
xi9,
en2,
es2,
et2,
in2,
is2,
it2,
ne2,
si2,
ti2,