9 letter words:
reoperate11,
8 letter words:
operator10,
paterero10,
perorate10,
repartee10,
repeater10,
rerepeat10,
7 letter words:
operate9,
pearter9,
praetor9,
prorate9,
protore9,
taperer9,
trooper9,
6 letter words:
parore8,
parrot8,
parter8,
perter8,
poorer8,
pooter8,
porter8,
prater8,
pretor8,
protea8,
raptor8,
reaper8,
repeat8,
report8,
retape8,
torpor8,
orator6,
retear6,
retore6,
retree6,
rooter6,
tearer6,
terrae6,
torero6,
5 letter words:
apert7,
aport7,
apter7,
etape7,
opera7,
opter7,
pareo7,
parer7,
pater7,
peare7,
peart7,
perea7,
petar7,
peter7,
petre7,
poort7,
porae7,
porer7,
porta7,
potae7,
prate7,
prore7,
raper7,
repot7,
repro7,
roper7,
taper7,
tepee7,
topee7,
toper7,
trape7,
troop7,
trope7,
arere5,
arete5,
arret5,
eater5,
oater5,
orate5,
raree5,
rater5,
ratoo5,
reate5,
retro5,
roate5,
rotor5,
tarre5,
terra5,
4 letter words:
aper6,
atop6,
epee6,
pare6,
parr6,
part6,
pate6,
pear6,
peat6,
peer6,
pere6,
pert6,
poet6,
poor6,
poot6,
pore6,
port6,
pote6,
prao6,
prat6,
pree6,
proa6,
proo6,
rape6,
rapt6,
reap6,
repo6,
roop6,
rope6,
tape6,
tarp6,
tepa6,
tope6,
topo6,
trap6,
trop6,
aero4,
aret4,
orra4,
rare4,
rate4,
rato4,
rear4,
rete4,
roar4,
root4,
rore4,
rort4,
rota4,
rote4,
roto4,
tare4,
taro4,
tear4,
teer4,
toea4,
tora4,
tore4,
toro4,
torr4,
tree4,
3 letter words:
ape5,
apo5,
apt5,
oop5,
ope5,
opt5,
par5,
pat5,
pea5,
pee5,
per5,
pet5,
poa5,
poo5,
pot5,
pre5,
pro5,
rap5,
rep5,
tap5,
top5,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
err3,
eta3,
oar3,
oat3,
oor3,
oot3,
ora3,
ore3,
ort3,
rat3,
ree3,
reo3,
ret3,
roe3,
roo3,
rot3,
tae3,
tao3,
tar3,
tea3,
tee3,
toe3,
too3,
tor3,
2 letter words:
op4,
pa4,
pe4,
po4,
ae2,
ar2,
at2,
ea2,
ee2,
er2,
et2,
oe2,
oo2,
or2,
re2,
ta2,
te2,
to2,