10 letter words:
evaporator15,
8 letter words:
operator10,
7 letter words:
overapt12,
overtop12,
vaporer12,
praetor9,
prorate9,
trooper9,
aerator7,
6 letter words:
prover11,
trover9,
parrot8,
poorer8,
porter8,
prater8,
pretor8,
protea8,
raptor8,
report8,
torpor8,
aortae6,
errata6,
orator6,
rooter6,
torero6,
5 letter words:
parve10,
parvo10,
paver10,
poove10,
prove10,
vapor10,
avert8,
ovate8,
overt8,
raver8,
rover8,
trave8,
trove8,
voter8,
apart7,
aport7,
apter7,
arepa7,
opera7,
parae7,
pareo7,
parer7,
pater7,
peart7,
prate7,
raper7,
repot7,
repro7,
roper7,
taper7,
toper7,
troop7,
trope7,
aorta5,
oater5,
orate5,
rater5,
reata5,
retro5,
rotor5,
tarre5,
terra5,
4 letter words:
pave9,
perv9,
arvo7,
aver7,
over7,
rave7,
rove7,
vara7,
vera7,
vert7,
veto7,
vote7,
aper6,
atap6,
atop6,
para6,
pare6,
parr6,
part6,
pate6,
pear6,
peat6,
pert6,
poet6,
poor6,
pore6,
port6,
prao6,
prat6,
proa6,
rape6,
rapt6,
reap6,
repo6,
rope6,
tapa6,
tape6,
tarp6,
tepa6,
tope6,
topo6,
trap6,
trop6,
aero4,
area4,
orra4,
rare4,
rate4,
rato4,
rear4,
roar4,
root4,
rota4,
rote4,
roto4,
tare4,
taro4,
tear4,
toea4,
tora4,
tore4,
toro4,
torr4,
3 letter words:
ava6,
ave6,
avo6,
ova6,
rev6,
tav6,
var6,
vat6,
vet6,
voe6,
ape5,
apo5,
apt5,
ope5,
opt5,
par5,
pat5,
pea5,
per5,
pet5,
poo5,
pot5,
pro5,
rap5,
rep5,
tap5,
top5,
are3,
art3,
ate3,
ear3,
eat3,
era3,
err3,
eta3,
oar3,
oat3,
oot3,
ora3,
ore3,
ort3,
rat3,
ret3,
roe3,
rot3,
tae3,
tao3,
tar3,
tea3,
toe3,
too3,
tor3,
2 letter words:
op4,
pa4,
pe4,
aa2,
ae2,
ar2,
at2,
er2,
et2,
oe2,
or2,
re2,
ta2,
to2,