6 letter words:
optant8,
anatto6,
5 letter words:
attap7,
panto7,
tanto5,
4 letter words:
atap6,
atop6,
napa6,
pant6,
pont6,
pott6,
tapa6,
anoa4,
anta4,
nota4,
nott4,
tana4,
tatt4,
3 letter words:
apo5,
apt5,
nap5,
opt5,
pan5,
pat5,
poa5,
pot5,
tap5,
top5,
ana3,
ant3,
att3,
nat3,
not3,
oat3,
tan3,
tao3,
tat3,
ton3,
tot3,
2 letter words:
op4,
pa4,
po4,
aa2,
an2,
at2,
na2,
no2,
on2,
ta2,
to2,