6 letter words:
googol8,
gorgon8,
oolong7,
5 letter words:
gonzo15,
logon6,
orlon5,
4 letter words:
orzo13,
zoon13,
gogo6,
gong6,
grog6,
nogg6,
goon5,
logo5,
long5,
loon4,
lorn4,
nolo4,
3 letter words:
zoo12,
goo4,
gor4,
log4,
nog4,
loo3,
noo3,
nor3,
ono3,
2 letter words:
go3,
lo2,
no2,
on2,
or2,