9 letter words:
connexion18,
7 letter words:
codeine10,
condone10,
6 letter words:
excide16,
exonic15,
exodoi14,
codein9,
coined9,
conned9,
conoid9,
cooeed9,
edenic9,
encode9,
conine8,
neocon8,
donnee7,
indene7,
neoned7,
ionone6,
5 letter words:
codex15,
coxed15,
xenic14,
dexie13,
doxie13,
index13,
nixed13,
oxide13,
exine12,
xenon12,
coden8,
codon8,
condo8,
coned8,
cooed8,
deice8,
conin7,
cooee7,
niece7,
nonce7,
diene6,
donee6,
donne6,
inned6,
odeon6,
ninon5,
onion5,
4 letter words:
exec13,
exed12,
oxid12,
exon11,
nixe11,
oxen11,
cede7,
cedi7,
code7,
coed7,
deco7,
dice7,
iced7,
odic7,
cine6,
cion6,
coin6,
cone6,
coni6,
conn6,
coon6,
icon6,
nice6,
once6,
dene5,
deni5,
dine5,
dino5,
done5,
eide5,
need5,
nide5,
node5,
nodi5,
nene4,
neon4,
nine4,
none4,
noon4,
3 letter words:
cox12,
dex11,
nix10,
oxo10,
cod6,
doc6,
cee5,
con5,
coo5,
ice5,
dee4,
den4,
die4,
din4,
doe4,
don4,
end4,
nod4,
ode4,
eon3,
inn3,
ion3,
nee3,
noo3,
one3,
ono3,
2 letter words:
ex9,
ox9,
xi9,
de3,
do3,
ed3,
id3,
od3,
en2,
in2,
ne2,
no2,
oe2,
oi2,
on2,