7 letter words:
oftener10,
6 letter words:
effort12,
toffee12,
5 letter words:
offer11,
fetor8,
forte8,
front8,
often8,
ofter8,
enter5,
noter5,
rente5,
tenor5,
terne5,
toner5,
treen5,
trone5,
4 letter words:
teff10,
toff10,
feet7,
fere7,
fern7,
fete7,
font7,
fore7,
fort7,
free7,
fret7,
froe7,
reef7,
reft7,
tref7,
erne4,
note4,
rent4,
rete4,
rote4,
teen4,
tern4,
tone4,
tore4,
torn4,
tree4,
3 letter words:
eff9,
off9,
eft6,
fee6,
fen6,
fer6,
fet6,
foe6,
fon6,
for6,
fro6,
oft6,
ref6,
eon3,
ere3,
ern3,
nee3,
net3,
nor3,
not3,
one3,
ore3,
ort3,
ree3,
ret3,
roe3,
rot3,
tee3,
ten3,
toe3,
ton3,
tor3,
2 letter words:
ef5,
fe5,
of5,
en2,
er2,
et2,
ne2,
no2,
oe2,
on2,
or2,
re2,
to2,