7 letter words:
extinct16,
5 letter words:
xenic14,
tinct7,
4 letter words:
exit11,
next11,
nixe11,
text11,
cent6,
cine6,
cite6,
etic6,
nice6,
nett4,
nite4,
tent4,
tine4,
tint4,
3 letter words:
nix10,
ice5,
tic5,
net3,
nit3,
ten3,
tet3,
tie3,
tin3,
tit3,
2 letter words:
ex9,
xi9,
en2,
et2,
in2,
it2,
ne2,
ti2,