6 letter words:
chenix18,
5 letter words:
xenic14,
chine10,
niche10,
4 letter words:
nixe11,
chin9,
inch9,
cine6,
nice6,
3 letter words:
hex13,
nix10,
che8,
chi8,
ech8,
hic8,
ich8,
hen6,
hie6,
hin6,
ice5,
nie3,
2 letter words:
ex9,
xi9,
ch7,
eh5,
he5,
hi5,
en2,
in2,
ne2,