5 letter words:
ennui5,
union5,
4 letter words:
zein13,
zine13,
zone13,
euoi4,
neon4,
nine4,
none4,
noni4,
noun4,
onie4,
3 letter words:
zin12,
eon3,
inn3,
ion3,
nie3,
non3,
nun3,
one3,
uni3,
2 letter words:
zo11,
en2,
in2,
io2,
ne2,
no2,
nu2,
oe2,
oi2,
on2,
ou2,
un2,