7 letter words:
naphtha15,
6 letter words:
aphtha14,
thanah12,
5 letter words:
hatha11,
hanap10,
haunt8,
thana8,
unhat8,
unapt7,
4 letter words:
haha10,
hath10,
hunh10,
hapu9,
path9,
phat9,
phut9,
puha9,
hant7,
haut7,
hunt7,
taha7,
tanh7,
than7,
atap6,
napa6,
pant6,
patu6,
paua6,
puna6,
punt6,
tapa6,
tapu6,
upta6,
anta4,
atua4,
aunt4,
tana4,
tuan4,
tuna4,
3 letter words:
hah9,
huh9,
hap8,
hup8,
pah8,
pht8,
puh8,
aah6,
aha6,
han6,
hat6,
hun6,
hut6,
nah6,
nth6,
apt5,
nap5,
pan5,
pat5,
pun5,
put5,
tap5,
tup5,
ana3,
ant3,
aua3,
nat3,
nut3,
tan3,
tau3,
tun3,
uta3,
2 letter words:
ah5,
ha5,
uh5,
pa4,
up4,
aa2,
an2,
at2,
na2,
nu2,
ta2,
un2,
ut2,