7 letter words:
pertook13,
6 letter words:
retook10,
pooter8,
5 letter words:
kopek15,
koker13,
poker11,
proke11,
topek11,
toker9,
troke9,
opter7,
poort7,
repot7,
toper7,
troop7,
trope7,
4 letter words:
kook12,
kept10,
perk10,
poke10,
pook10,
pork10,
kero8,
keto8,
kore8,
koro8,
koto8,
roke8,
rook8,
toke8,
toko8,
took8,
trek8,
pert6,
poet6,
poor6,
poot6,
pore6,
port6,
pote6,
proo6,
repo6,
roop6,
rope6,
tope6,
topo6,
trop6,
root4,
rote4,
roto4,
tore4,
toro4,
3 letter words:
kep9,
kop9,
erk7,
ket7,
kor7,
oke7,
rok7,
oop5,
ope5,
opt5,
per5,
pet5,
poo5,
pot5,
pre5,
pro5,
rep5,
top5,
oor3,
oot3,
ore3,
ort3,
reo3,
ret3,
roe3,
roo3,
rot3,
toe3,
too3,
tor3,
2 letter words:
ko6,
op4,
pe4,
po4,
er2,
et2,
oe2,
oo2,
or2,
re2,
te2,
to2,