6 letter words:
expire15,
poxier15,
pokier12,
rookie10,
5 letter words:
kreep11,
pekoe11,
piker11,
poker11,
iroko9,
poori7,
oorie5,
4 letter words:
expo13,
prex13,
keep10,
kepi10,
peek10,
peke10,
perk10,
pike10,
poke10,
pork10,
keir8,
kier8,
kore8,
reek8,
rook8,
peer6,
pere6,
peri6,
pier6,
poor6,
pore6,
pree6,
repo6,
ripe6,
rope6,
3 letter words:
kex14,
pix12,
pox12,
oxo10,
rex10,
kep9,
kip9,
kop9,
eek7,
eke7,
irk7,
kir7,
koi7,
kor7,
oke7,
ope5,
pee5,
per5,
pie5,
poi5,
poo5,
pro5,
rep5,
rip5,
ere3,
ire3,
ore3,
ree3,
rei3,
roe3,
2 letter words:
ex9,
ox9,
xi9,
ki6,
op4,
pe4,
pi4,
er2,
oe2,
oi2,
or2,
re2,