7 letter words:
porrect11,
6 letter words:
copter10,
porter8,
pretor8,
rector8,
report8,
5 letter words:
coper9,
crept9,
corer7,
crore7,
opter7,
porer7,
prore7,
recto7,
repot7,
repro7,
roper7,
toper7,
trope7,
retro5,
4 letter words:
cope8,
crop8,
cero6,
cert6,
core6,
cote6,
pert6,
poet6,
pore6,
port6,
pote6,
repo6,
rope6,
tope6,
torc6,
trop6,
rore4,
rort4,
rote4,
tore4,
torr4,
3 letter words:
cep7,
cop7,
pec7,
cor5,
cot5,
eco5,
ope5,
opt5,
orc5,
per5,
pet5,
pot5,
pre5,
pro5,
rec5,
rep5,
roc5,
tec5,
toc5,
top5,
err3,
ore3,
ort3,
reo3,
ret3,
roe3,
rot3,
toe3,
tor3,
2 letter words:
op4,
pe4,
po4,
er2,
et2,
oe2,
or2,
re2,
te2,
to2,