9 letter words:
convoking19,
7 letter words:
conking14,
cooking14,
nocking14,
6 letter words:
coking13,
coving12,
ovonic11,
coning9,
cooing9,
gonion7,
5 letter words:
covin10,
cogon8,
coign8,
congo8,
incog8,
conin7,
onion5,
4 letter words:
conk10,
cook10,
nick10,
nock10,
gink9,
gook9,
king9,
ikon8,
kino8,
nook8,
oink8,
vino7,
cion6,
coin6,
coni6,
conn6,
coon6,
icon6,
goon5,
noon4,
3 letter words:
ick9,
ink7,
kin7,
koi7,
vig7,
cig6,
cog6,
con5,
coo5,
gin4,
goo4,
nog4,
inn3,
ion3,
noo3,
ono3,
2 letter words:
ki6,
go3,
in2,
no2,
oi2,
on2,