6 letter words:
coting9,
5 letter words:
coign8,
incog8,
ontic7,
tonic7,
ingot6,
tigon6,
toing6,
4 letter words:
cion6,
cito6,
coin6,
coit6,
coni6,
icon6,
otic6,
ingo5,
ting5,
tong5,
into4,
oint4,
3 letter words:
cig6,
cog6,
cit5,
con5,
cot5,
tic5,
toc5,
gin4,
gio4,
git4,
gon4,
got4,
nog4,
tig4,
tog4,
ion3,
nit3,
not3,
tin3,
ton3,
2 letter words:
gi3,
go3,
in2,
io2,
it2,
no2,
oi2,
on2,
ti2,
to2,
