9 letter words:
cocooning14,
6 letter words:
cocoon10,
coning9,
cooing9,
gonion7,
5 letter words:
conic9,
cogon8,
coign8,
congo8,
incog8,
conin7,
onion5,
4 letter words:
coco8,
cion6,
coin6,
coni6,
conn6,
coon6,
icon6,
ginn5,
goon5,
ingo5,
nong5,
noni4,
noon4,
3 letter words:
cig6,
cog6,
con5,
coo5,
gin4,
gio4,
gon4,
goo4,
nog4,
inn3,
ion3,
non3,
noo3,
ono3,
oon3,
2 letter words:
gi3,
go3,
in2,
io2,
no2,
oi2,
on2,
oo2,