6 letter words:
kaputt12,
5 letter words:
kaput11,
putto7,
4 letter words:
kaph13,
koph13,
haku11,
khat11,
opah9,
ouph9,
path9,
phat9,
phot9,
phut9,
toph9,
haut7,
oath7,
that7,
thou7,
atop6,
pout6,
putt6,
auto4,
taut4,
tout4,
3 letter words:
kop9,
hap8,
hop8,
hup8,
pah8,
pht8,
poh8,
auk7,
kat7,
koa7,
oak7,
oka7,
hao6,
hat6,
hot6,
hut6,
tho6,
apo5,
apt5,
opt5,
pat5,
pot5,
put5,
tap5,
top5,
tup5,
upo5,
att3,
oat3,
out3,
tao3,
tat3,
tau3,
tot3,
tut3,
uta3,
2 letter words:
ka6,
ah5,
ha5,
ho5,
oh5,
uh5,
op4,
pa4,
up4,
at2,
ta2,
to2,
ut2,