9 letter words:
perfector16,
8 letter words:
perfecto15,
perforce15,
receptor12,
7 letter words:
perfect14,
prefect14,
crofter12,
porrect11,
erector9,
6 letter words:
forcer11,
forpet11,
perfet11,
prefer11,
refect11,
copter10,
recept10,
ferret9,
perter8,
porter8,
pretor8,
rector8,
report8,
retore6,
5 letter words:
croft10,
force10,
coper9,
creep9,
crepe9,
crept9,
perce9,
ferer8,
fetor8,
forte8,
freer8,
freet8,
frere8,
frore8,
ofter8,
refer8,
terfe8,
corer7,
crore7,
erect7,
opter7,
peter7,
petre7,
porer7,
prore7,
recto7,
repot7,
repro7,
roper7,
terce7,
topee7,
toper7,
trope7,
retro5,
4 letter words:
coft9,
corf9,
prof9,
cepe8,
cope8,
crop8,
feer7,
feet7,
fere7,
fete7,
fore7,
fort7,
free7,
fret7,
froe7,
orfe7,
reef7,
reft7,
terf7,
tref7,
cere6,
cero6,
cert6,
cete6,
core6,
cote6,
cree6,
peer6,
pere6,
pert6,
poet6,
pore6,
port6,
pote6,
pree6,
repo6,
rope6,
tope6,
torc6,
trop6,
rete4,
rore4,
rort4,
rote4,
teer4,
tore4,
torr4,
tree4,
3 letter words:
fop8,
cep7,
cop7,
pec7,
eft6,
erf6,
fee6,
fer6,
fet6,
foe6,
for6,
fro6,
oft6,
orf6,
ref6,
tef6,
cee5,
cor5,
cot5,
eco5,
ope5,
opt5,
orc5,
pee5,
per5,
pet5,
pot5,
pre5,
pro5,
rec5,
rep5,
roc5,
tec5,
toc5,
top5,
ere3,
err3,
ore3,
ort3,
ree3,
reo3,
ret3,
roe3,
rot3,
tee3,
toe3,
tor3,
2 letter words:
ef5,
fe5,
of5,
op4,
pe4,
po4,
ee2,
er2,
et2,
oe2,
or2,
re2,
te2,
to2,