10 letter words:
nonfiction15,
8 letter words:
nonionic10,
nontonic10,
7 letter words:
fiction12,
coition9,
nicotin9,
6 letter words:
confit11,
finito9,
notion6,
5 letter words:
ficin10,
conin7,
conto7,
ionic7,
ontic7,
tonic7,
inion5,
ninon5,
niton5,
onion5,
4 letter words:
coft9,
coif9,
coof9,
fico9,
foci9,
fino7,
foin7,
font7,
foot7,
info7,
cion6,
coin6,
coni6,
conn6,
coon6,
coot6,
icon6,
otic6,
inti4,
into4,
noon4,
onto4,
toon4,
3 letter words:
fin6,
fit6,
fon6,
oft6,
con5,
coo5,
cot5,
tic5,
inn3,
ion3,
nit3,
noo3,
not3,
ono3,
oot3,
tin3,
ton3,
too3,
2 letter words:
if5,
of5,
in2,
it2,
no2,
oi2,
on2,
ti2,
to2,