10 letter words:
pronephroi17,
8 letter words:
hornpipe15,
7 letter words:
hoppier14,
phonier12,
propine11,
propone11,
honorer10,
hornier10,
pornier9,
6 letter words:
hipper13,
hopper13,
ephori11,
hooper11,
nipper10,
pepino10,
proper10,
ripper10,
heroin9,
operon8,
orpine8,
pernio8,
perron8,
poorer8,
ropier8,
ironer6,
5 letter words:
hippo12,
ephor10,
hoper10,
phone10,
phono10,
piper9,
preop9,
heron8,
hirer8,
honer8,
honor8,
rhino8,
opine7,
orpin7,
poori7,
porno7,
prier7,
prion7,
prior7,
prone7,
repin7,
repro7,
ripen7,
riper7,
roper7,
irone5,
oorie5,
4 letter words:
hoop9,
hope9,
phon9,
pooh9,
pepo8,
perp8,
pipe8,
poop8,
pope8,
prep8,
prop8,
repp8,
heir7,
hern7,
hero7,
hire7,
hoer7,
hone7,
horn7,
nope6,
open6,
pein6,
peon6,
peri6,
pier6,
pine6,
pion6,
pirn6,
pone6,
poon6,
poor6,
pore6,
porn6,
repo6,
ripe6,
rope6,
inro4,
iron4,
noir4,
nori4,
rein4,
3 letter words:
hep8,
hip8,
hop8,
peh8,
phi8,
poh8,
pep7,
pip7,
pop7,
hen6,
her6,
hie6,
hin6,
hoe6,
hon6,
noh6,
oho6,
ooh6,
rho6,
nip5,
ope5,
pen5,
per5,
pie5,
pin5,
poi5,
poo5,
pro5,
rep5,
rip5,
eon3,
ern3,
err3,
ion3,
ire3,
noo3,
nor3,
one3,
ono3,
ore3,
rei3,
rin3,
roe3,
2 letter words:
eh5,
he5,
hi5,
ho5,
oh5,
op4,
pe4,
pi4,
en2,
er2,
in2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,