5 letter words:
otaku9,
4 letter words:
cauk10,
tack10,
tock10,
tuck10,
atok8,
kuta8,
okta8,
touk8,
atoc6,
coat6,
octa6,
taco6,
auto4,
3 letter words:
auk7,
kat7,
koa7,
oak7,
oka7,
ouk7,
tak7,
act5,
cat5,
cot5,
cut5,
oca5,
toc5,
oat3,
out3,
tao3,
tau3,
uta3,
2 letter words:
ka6,
ko6,
at2,
ou2,
ta2,
to2,
ut2,