6 letter words:
coigne9,
congee9,
eocene8,
5 letter words:
coign8,
conge8,
genic8,
incog8,
niece7,
genie6,
4 letter words:
cine6,
cion6,
coin6,
cone6,
coni6,
icon6,
nice6,
once6,
gene5,
gien5,
gone5,
ogee5,
3 letter words:
cig6,
cog6,
cee5,
con5,
ice5,
ego4,
eng4,
gee4,
gen4,
gie4,
gin4,
neg4,
nog4,
eon3,
ion3,
nee3,
one3,
2 letter words:
go3,
en2,
in2,
ne2,
no2,
oe2,
oi2,
on2,