7 letter words:
fronter10,
oftener10,
refront10,
6 letter words:
forpet11,
perfet11,
prefer11,
ferret9,
forren9,
froren9,
frorne9,
opener8,
pereon8,
perone8,
perron8,
perter8,
porter8,
poteen8,
pretor8,
proner8,
reopen8,
repent8,
repone8,
report8,
renter6,
rerent6,
retore6,
retorn6,
5 letter words:
ferer8,
fetor8,
forte8,
freer8,
freet8,
freon8,
frere8,
front8,
frore8,
frorn8,
often8,
ofter8,
refer8,
terfe8,
neper7,
netop7,
opter7,
peter7,
petre7,
porer7,
preen7,
prent7,
prone7,
prore7,
repot7,
repro7,
roper7,
topee7,
toper7,
trope7,
enter5,
noter5,
rente5,
retro5,
ronte5,
tenor5,
terne5,
toner5,
treen5,
trone5,
4 letter words:
prof9,
feen7,
feer7,
feet7,
fent7,
fere7,
fern7,
fete7,
foen7,
fone7,
font7,
fore7,
fort7,
free7,
fret7,
froe7,
orfe7,
reef7,
reft7,
terf7,
tref7,
neep6,
nope6,
open6,
peen6,
peer6,
pene6,
pent6,
peon6,
pere6,
pern6,
pert6,
poet6,
pone6,
pont6,
pore6,
porn6,
port6,
pote6,
pree6,
repo6,
rope6,
tope6,
trop6,
erne4,
eten4,
nete4,
note4,
oner4,
reen4,
rent4,
rete4,
rone4,
ront4,
rore4,
rort4,
rote4,
teen4,
teer4,
tene4,
tern4,
tone4,
tore4,
torn4,
torr4,
tree4,
tron4,
3 letter words:
fop8,
eft6,
erf6,
fee6,
fen6,
fer6,
fet6,
foe6,
fon6,
for6,
fro6,
nef6,
oft6,
orf6,
ref6,
tef6,
nep5,
ope5,
opt5,
pee5,
pen5,
per5,
pet5,
pot5,
pre5,
pro5,
rep5,
top5,
een3,
ene3,
eon3,
ere3,
ern3,
err3,
nee3,
net3,
nor3,
not3,
one3,
ore3,
ort3,
ree3,
ren3,
reo3,
ret3,
roe3,
rot3,
tee3,
ten3,
toe3,
ton3,
tor3,
2 letter words:
ef5,
fe5,
of5,
op4,
pe4,
po4,
ee2,
en2,
er2,
et2,
ne2,
no2,
oe2,
on2,
or2,
re2,
te2,
to2,