7 letter words:
nephron12,
5 letter words:
ephor10,
hoper10,
phone10,
heron8,
honer8,
prone7,
4 letter words:
hope9,
phon9,
hern7,
hero7,
hoer7,
hone7,
horn7,
nope6,
open6,
peon6,
pone6,
pore6,
porn6,
repo6,
rope6,
neon4,
none4,
3 letter words:
hep8,
hop8,
peh8,
poh8,
hen6,
her6,
hoe6,
hon6,
noh6,
rho6,
ope5,
pen5,
per5,
pro5,
rep5,
eon3,
ern3,
nor3,
one3,
ore3,
roe3,
2 letter words:
eh5,
he5,
ho5,
oh5,
op4,
pe4,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,