7 letter words:
cooking14,
6 letter words:
coking13,
cooing9,
5 letter words:
cogon8,
coign8,
congo8,
incog8,
4 letter words:
conk10,
cook10,
nick10,
nock10,
gink9,
gook9,
king9,
ikon8,
kino8,
nook8,
oink8,
cion6,
coin6,
coni6,
coon6,
icon6,
goon5,
3 letter words:
ick9,
ink7,
kin7,
koi7,
cig6,
cog6,
con5,
coo5,
gin4,
goo4,
nog4,
ion3,
noo3,
ono3,
2 letter words:
ki6,
go3,
in2,
no2,
oi2,
on2,