6 letter words:
cotton8,
octant8,
5 letter words:
kofta12,
tonka9,
afoot8,
acton7,
canto7,
conto7,
cotan7,
cotta7,
octan7,
tanto5,
4 letter words:
fank11,
conk10,
cook10,
nock10,
tack10,
tock10,
coft9,
conf9,
coof9,
fact9,
atok8,
kant8,
kaon8,
knot8,
koan8,
koto8,
nook8,
okta8,
tank8,
toko8,
tonk8,
took8,
fano7,
font7,
foot7,
toft7,
atoc6,
cant6,
coat6,
coon6,
coot6,
cott6,
octa6,
taco6,
tact6,
toco6,
nota4,
nott4,
onto4,
oont4,
otto4,
toon4,
toot4,
3 letter words:
kaf10,
kat7,
koa7,
kon7,
oak7,
oka7,
tak7,
aft6,
fan6,
fat6,
fon6,
oaf6,
oft6,
oof6,
act5,
can5,
cat5,
con5,
coo5,
cot5,
oca5,
toc5,
ant3,
att3,
nat3,
noo3,
not3,
oat3,
ono3,
oon3,
oot3,
tan3,
tao3,
tat3,
ton3,
too3,
tot3,
2 letter words:
ka6,
ko6,
fa5,
of5,
an2,
at2,
na2,
no2,
on2,
oo2,
ta2,
to2,