6 letter words:
congee9,
conger9,
encore8,
5 letter words:
conge8,
crone7,
recon7,
genre6,
genro6,
goner6,
green6,
4 letter words:
cere6,
cero6,
cone6,
core6,
corn6,
once6,
eger5,
ergo5,
gene5,
goer5,
gone5,
gore5,
gree5,
ogee5,
ogre5,
erne4,
3 letter words:
cog6,
cee5,
con5,
cor5,
orc5,
rec5,
roc5,
ego4,
eng4,
erg4,
gee4,
gen4,
gor4,
neg4,
nog4,
reg4,
eon3,
ere3,
ern3,
nee3,
nor3,
one3,
ore3,
ree3,
roe3,
2 letter words:
go3,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,