8 letter words:
nongreen9,
7 letter words:
nonzero16,
engorge9,
regorge9,
6 letter words:
rezero15,
rezone15,
gorger8,
gorgon8,
nonego7,
orgone7,
5 letter words:
gonzo15,
ozone14,
zoner14,
egger7,
gorge7,
grego7,
genre6,
genro6,
goner6,
green6,
roger6,
4 letter words:
geez14,
ooze13,
orzo13,
zero13,
zone13,
zoon13,
gogo6,
gong6,
grog6,
nogg6,
eger5,
ergo5,
gene5,
goer5,
gone5,
goon5,
gore5,
gree5,
ogee5,
ogre5,
erne4,
nene4,
neon4,
none4,
noon4,
3 letter words:
zee12,
zoo12,
egg5,
ego4,
eng4,
erg4,
gee4,
gen4,
goo4,
gor4,
neg4,
nog4,
reg4,
eon3,
ere3,
ern3,
err3,
nee3,
noo3,
nor3,
one3,
ono3,
ore3,
ree3,
roe3,
2 letter words:
go3,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,