6 letter words:
photon11,
5 letter words:
phono10,
photo10,
4 letter words:
hoop9,
phon9,
phot9,
pooh9,
toph9,
hoot7,
poon6,
topo6,
onto4,
toon4,
3 letter words:
hop8,
pht8,
poh8,
hon6,
hot6,
noh6,
nth6,
oho6,
ooh6,
tho6,
opt5,
poo5,
pot5,
top5,
noo3,
not3,
ono3,
oot3,
ton3,
too3,
2 letter words:
ho5,
oh5,
op4,
no2,
on2,
to2,