9 letter words:
proponent13,
protonate11,
8 letter words:
opponent12,
patentor10,
7 letter words:
propane11,
propone11,
operant9,
patroon9,
pattern9,
portent9,
prenoon9,
pronate9,
pronota9,
protean9,
reptant9,
taproot9,
arnotto7,
entrant7,
rattoon7,
6 letter words:
napper10,
petnap10,
rappen10,
tapper10,
tappet10,
topper10,
arpent8,
enrapt8,
entrap8,
nonpar8,
operon8,
panner8,
parent8,
parton8,
patent8,
patron8,
patten8,
patter8,
ponent8,
ponton8,
potato8,
potent8,
potter8,
pronto8,
protea8,
proton8,
tarpon8,
teapot8,
teopan8,
trepan8,
atoner6,
attorn6,
enroot6,
natron6,
natter6,
nonart6,
notate6,
ornate6,
ratoon6,
ratten6,
ratton6,
rotate6,
rotten6,
tanner6,
tenant6,
tonner6,
tooter6,
torten6,
5 letter words:
nappe9,
paper9,
preop9,
aport7,
apron7,
apter7,
arpen7,
netop7,
opera7,
paeon7,
panne7,
panto7,
pareo7,
paten7,
pater7,
peart7,
penna7,
petto7,
porno7,
potto7,
prate7,
prone7,
repot7,
taper7,
toper7,
trapt7,
troop7,
trope7,
anent5,
antre5,
atone5,
nonet5,
noter5,
oaten5,
oater5,
orate5,
ottar5,
otter5,
rotte5,
tanto5,
tarot5,
tater5,
tenon5,
tenor5,
tetra5,
toner5,
tonne5,
torot5,
torta5,
torte5,
toter5,
treat5,
trona5,
trone5,
4 letter words:
pepo8,
perp8,
poop8,
pope8,
prep8,
prop8,
repp8,
aper6,
atop6,
nape6,
neap6,
nope6,
open6,
pane6,
pant6,
pare6,
part6,
pate6,
pean6,
pear6,
peat6,
pent6,
peon6,
pert6,
poet6,
pone6,
poon6,
poor6,
pore6,
porn6,
port6,
prao6,
prat6,
proa6,
rape6,
rapt6,
reap6,
repo6,
rope6,
tape6,
tarp6,
tepa6,
tope6,
topo6,
trap6,
trop6,
aeon4,
aero4,
anon4,
ante4,
earn4,
etna4,
near4,
neat4,
neon4,
nett4,
nona4,
none4,
noon4,
nota4,
note4,
onto4,
otto4,
rant4,
rate4,
rato4,
rent4,
roan4,
root4,
rota4,
rote4,
roto4,
tare4,
tarn4,
taro4,
tart4,
tate4,
tear4,
teat4,
tent4,
tern4,
toea4,
tone4,
toon4,
toot4,
tora4,
tore4,
torn4,
toro4,
tort4,
tote4,
tret4,
trot4,
3 letter words:
app7,
pap7,
pep7,
pop7,
ape5,
apo5,
apt5,
nap5,
ope5,
opt5,
pan5,
par5,
pat5,
pea5,
pen5,
per5,
pet5,
poo5,
pot5,
pro5,
rap5,
rep5,
tap5,
top5,
ane3,
ant3,
are3,
art3,
ate3,
att3,
ear3,
eat3,
eon3,
era3,
ern3,
eta3,
nae3,
nan3,
net3,
noo3,
nor3,
not3,
oar3,
oat3,
one3,
ono3,
oot3,
ora3,
ore3,
ort3,
ran3,
rat3,
ret3,
roe3,
rot3,
tae3,
tan3,
tao3,
tar3,
tat3,
tea3,
ten3,
tet3,
toe3,
ton3,
too3,
tor3,
tot3,
2 letter words:
op4,
pa4,
pe4,
ae2,
an2,
ar2,
at2,
en2,
er2,
et2,
na2,
ne2,
no2,
oe2,
on2,
or2,
re2,
ta2,
to2,