6 letter words:
exonic15,
5 letter words:
xenic14,
4 letter words:
exon11,
nixe11,
oxen11,
cine6,
cion6,
coin6,
cone6,
coni6,
icon6,
nice6,
once6,
onie4,
3 letter words:
cox12,
exo10,
nix10,
nox10,
con5,
eco5,
ice5,
eon3,
ion3,
nie3,
one3,
2 letter words:
ex9,
ox9,
xi9,
en2,
in2,
io2,
ne2,
no2,
oe2,
oi2,
on2,