5 letter words:
knout9,
fount8,
futon8,
tauon5,
4 letter words:
funk11,
kaon8,
knot8,
koan8,
kuna8,
tank8,
fano7,
faun7,
font7,
tofu7,
tufa7,
aunt4,
auto4,
nota4,
tuna4,
unto4,
3 letter words:
kaf10,
auk7,
kat7,
koa7,
oak7,
oka7,
aft6,
fan6,
fat6,
fon6,
fou6,
fun6,
oaf6,
oft6,
ant3,
not3,
nut3,
oat3,
out3,
tan3,
tao3,
tau3,
ton3,
tun3,
uta3,
2 letter words:
ka6,
fa5,
of5,
an2,
at2,
na2,
no2,
nu2,
on2,
ta2,
to2,
un2,
ut2,