6 letter words:
rezero15,
rezone15,
5 letter words:
zoner14,
4 letter words:
zero13,
zone13,
exon11,
oxen11,
erne4,
3 letter words:
zee12,
rex10,
eon3,
ere3,
ern3,
err3,
nee3,
nor3,
one3,
ore3,
ree3,
roe3,
2 letter words:
ex9,
ox9,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,