7 letter words:
nonfact12,
6 letter words:
nonfat9,
cannot8,
canton8,
5 letter words:
fanon8,
ancon7,
canon7,
canto7,
cotan7,
octan7,
4 letter words:
coft9,
fact9,
fano7,
font7,
cant6,
coat6,
conn6,
taco6,
anon4,
nona4,
nota4,
3 letter words:
aft6,
fan6,
fat6,
fon6,
oaf6,
oft6,
act5,
can5,
cat5,
con5,
cot5,
oca5,
ant3,
nan3,
not3,
oat3,
tan3,
tao3,
ton3,
2 letter words:
fa5,
of5,
an2,
at2,
na2,
no2,
on2,
ta2,
to2,