7 letter words:
nicotin9,
noritic9,
6 letter words:
citrin8,
citron8,
cortin8,
ironic8,
nitric8,
intron6,
5 letter words:
trick11,
trock11,
kinin9,
conin7,
ionic7,
ontic7,
orcin7,
ricin7,
tonic7,
toric7,
inion5,
intro5,
niton5,
nitro5,
torii5,
4 letter words:
conk10,
cork10,
nick10,
nock10,
rick10,
rock10,
tick10,
ikon8,
kino8,
kirn8,
knit8,
knot8,
oink8,
rink8,
tiki8,
cion6,
coin6,
coir6,
coni6,
conn6,
corn6,
crit6,
icon6,
otic6,
torc6,
inro4,
inti4,
into4,
iron4,
noir4,
nori4,
riot4,
roti4,
tiro4,
tori4,
torn4,
trio4,
3 letter words:
ick9,
ink7,
irk7,
kin7,
kir7,
kit7,
koi7,
kor7,
con5,
cor5,
cot5,
orc5,
roc5,
tic5,
inn3,
ion3,
nit3,
nor3,
not3,
ort3,
rin3,
rot3,
tin3,
ton3,
tor3,
2 letter words:
ki6,
in2,
it2,
no2,
oi2,
on2,
or2,
ti2,
to2,