10 letter words:
orpheoreon15,
7 letter words:
honoree10,
honorer10,
6 letter words:
hooper11,
hoopoe11,
phoner11,
hereon9,
heroon9,
horner9,
opener8,
operon8,
pereon8,
perone8,
perron8,
poorer8,
proner8,
reopen8,
repone8,
5 letter words:
ephor10,
hoper10,
pheer10,
phene10,
pheon10,
phone10,
phono10,
heroe8,
heron8,
honer8,
honor8,
ohone8,
rhone8,
neper7,
porer7,
porno7,
preen7,
prone7,
prore7,
repro7,
roper7,
roneo5,
4 letter words:
hoop9,
hope9,
phon9,
pooh9,
here7,
hern7,
hero7,
hoer7,
hone7,
hoon7,
hore7,
horn7,
neep6,
noop6,
nope6,
open6,
peen6,
peer6,
pene6,
peon6,
pere6,
pern6,
pone6,
poon6,
poor6,
pore6,
porn6,
pree6,
proo6,
repo6,
roop6,
rope6,
erne4,
oner4,
reen4,
rone4,
roon4,
rore4,
3 letter words:
hep8,
hop8,
peh8,
pho8,
poh8,
hen6,
her6,
hoe6,
hon6,
hoo6,
noh6,
oho6,
ooh6,
reh6,
rho6,
nep5,
oop5,
ope5,
pee5,
pen5,
per5,
poo5,
pre5,
pro5,
rep5,
een3,
ene3,
eon3,
ere3,
ern3,
err3,
nee3,
noo3,
nor3,
one3,
ono3,
oon3,
oor3,
ore3,
ree3,
ren3,
reo3,
roe3,
roo3,
2 letter words:
eh5,
he5,
ho5,
oh5,
op4,
pe4,
po4,
ee2,
en2,
er2,
ne2,
no2,
oe2,
on2,
oo2,
or2,
re2,