9 letter words:
nicotinic13,
7 letter words:
nicotin9,
6 letter words:
iconic10,
5 letter words:
cinct9,
conic9,
ictic9,
conin7,
ionic7,
ontic7,
tonic7,
inion5,
niton5,
noint5,
4 letter words:
cion6,
cito6,
coin6,
coit6,
coni6,
conn6,
icon6,
otic6,
inti4,
into4,
noni4,
oint4,
3 letter words:
cit5,
con5,
cot5,
tic5,
toc5,
inn3,
ion3,
nit3,
non3,
not3,
tin3,
ton3,
2 letter words:
in2,
io2,
it2,
no2,
oi2,
on2,
ti2,
to2,