11 letter words:
overoperate16,
9 letter words:
overeater12,
reoperate11,
8 letter words:
overpert13,
overrate11,
operator10,
perorate10,
repartee10,
repeater10,
rerepeat10,
7 letter words:
overapt12,
overtop12,
pervert12,
preaver12,
reprove12,
vaporer12,
averter10,
evertor10,
overate10,
overeat10,
operate9,
pearter9,
praetor9,
prorate9,
taperer9,
trooper9,
6 letter words:
pareve11,
prover11,
repave11,
reaver9,
revere9,
revert9,
revote9,
trover9,
vetoer9,
parrot8,
perter8,
poorer8,
porter8,
prater8,
pretor8,
protea8,
raptor8,
reaper8,
repeat8,
report8,
retape8,
torpor8,
orator6,
retear6,
retore6,
rooter6,
tearer6,
terrae6,
torero6,
5 letter words:
parve10,
parvo10,
paver10,
peeve10,
poove10,
prove10,
vapor10,
avert8,
evert8,
ovate8,
overt8,
raver8,
reave8,
reeve8,
revet8,
rover8,
trave8,
trove8,
voter8,
aport7,
apter7,
etape7,
opera7,
pareo7,
parer7,
pater7,
peart7,
perea7,
peter7,
prate7,
raper7,
repot7,
repro7,
roper7,
taper7,
tepee7,
topee7,
toper7,
troop7,
trope7,
arete5,
eater5,
oater5,
orate5,
rater5,
retro5,
rotor5,
tarre5,
terra5,
4 letter words:
pave9,
perv9,
veep9,
arvo7,
aver7,
eave7,
ever7,
over7,
rave7,
rove7,
veer7,
vera7,
vert7,
veto7,
vote7,
aper6,
atop6,
epee6,
pare6,
parr6,
part6,
pate6,
pear6,
peat6,
peer6,
pere6,
pert6,
poet6,
poor6,
pore6,
port6,
prao6,
prat6,
pree6,
proa6,
rape6,
rapt6,
reap6,
repo6,
rope6,
tape6,
tarp6,
tepa6,
tope6,
topo6,
trap6,
trop6,
aero4,
orra4,
rare4,
rate4,
rato4,
rear4,
rete4,
roar4,
root4,
rota4,
rote4,
roto4,
tare4,
taro4,
tear4,
toea4,
tora4,
tore4,
toro4,
torr4,
tree4,
3 letter words:
ave6,
avo6,
eve6,
ova6,
rev6,
tav6,
var6,
vat6,
vee6,
vet6,
voe6,
ape5,
apo5,
apt5,
ope5,
opt5,
par5,
pat5,
pea5,
pee5,
per5,
pet5,
poo5,
pot5,
pro5,
rap5,
rep5,
tap5,
top5,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
err3,
eta3,
oar3,
oat3,
oot3,
ora3,
ore3,
ort3,
rat3,
ree3,
ret3,
roe3,
rot3,
tae3,
tao3,
tar3,
tea3,
tee3,
toe3,
too3,
tor3,
2 letter words:
op4,
pa4,
pe4,
ae2,
ar2,
at2,
er2,
et2,
oe2,
or2,
re2,
ta2,
to2,
