9 letter words:
photogene15,
8 letter words:
geophone14,
7 letter words:
potheen12,
6 letter words:
gonoph12,
photog12,
photon11,
pongee9,
poteen8,
gentoo7,
5 letter words:
phone10,
phono10,
photo10,
tophe10,
henge9,
thegn9,
thong9,
pengo8,
netop7,
topee7,
genet6,
tenge6,
4 letter words:
hoop9,
hope9,
phon9,
phot9,
pooh9,
toph9,
ghee8,
goth8,
hong8,
goop7,
hent7,
hone7,
hoot7,
pong7,
thee7,
then7,
neep6,
nope6,
open6,
peen6,
pent6,
peon6,
poet6,
pone6,
poon6,
tope6,
topo6,
gene5,
gent5,
gone5,
goon5,
ogee5,
tong5,
note4,
onto4,
teen4,
tone4,
toon4,
3 letter words:
hep8,
hop8,
peh8,
pht8,
poh8,
hog7,
eth6,
hen6,
het6,
hoe6,
hon6,
hot6,
noh6,
nth6,
oho6,
ooh6,
peg6,
the6,
tho6,
ope5,
opt5,
pee5,
pen5,
pet5,
poo5,
pot5,
top5,
ego4,
eng4,
gee4,
gen4,
get4,
goo4,
got4,
neg4,
nog4,
teg4,
tog4,
eon3,
nee3,
net3,
noo3,
not3,
one3,
ono3,
oot3,
tee3,
ten3,
toe3,
ton3,
too3,
2 letter words:
eh5,
he5,
ho5,
oh5,
op4,
pe4,
go3,
en2,
et2,
ne2,
no2,
oe2,
on2,
to2,