9 letter words:
phonopore16,
7 letter words:
propone11,
6 letter words:
hopper13,
hooper11,
hoopoe11,
phoner11,
pooper10,
heroon9,
operon8,
5 letter words:
ephor10,
hoper10,
pheon10,
phone10,
phono10,
preop9,
heron8,
honer8,
honor8,
ohone8,
rhone8,
porno7,
prone7,
roneo5,
4 letter words:
hoop9,
hope9,
phon9,
pooh9,
oppo8,
pepo8,
perp8,
poep8,
poop8,
pope8,
prep8,
prop8,
repp8,
hern7,
hero7,
hoer7,
hone7,
hoon7,
hore7,
horn7,
noop6,
nope6,
open6,
peon6,
pern6,
pone6,
poon6,
poor6,
pore6,
porn6,
proo6,
repo6,
roop6,
rope6,
oner4,
rone4,
roon4,
3 letter words:
hep8,
hop8,
peh8,
pho8,
poh8,
pep7,
pop7,
hen6,
her6,
hoe6,
hon6,
hoo6,
noh6,
oho6,
ooh6,
reh6,
rho6,
nep5,
oop5,
ope5,
pen5,
per5,
poo5,
pre5,
pro5,
rep5,
eon3,
ern3,
noo3,
nor3,
one3,
ono3,
oon3,
oor3,
ore3,
ren3,
reo3,
roe3,
roo3,
2 letter words:
eh5,
he5,
ho5,
oh5,
op4,
pe4,
po4,
en2,
er2,
ne2,
no2,
oe2,
on2,
oo2,
or2,
re2,