5 letter words:
often8,
netop7,
4 letter words:
fent7,
foen7,
fone7,
font7,
nope6,
open6,
pent6,
peon6,
poet6,
pone6,
pont6,
pote6,
tope6,
note4,
tone4,
3 letter words:
fop8,
eft6,
fen6,
fet6,
foe6,
fon6,
nef6,
oft6,
tef6,
nep5,
ope5,
opt5,
pen5,
pet5,
pot5,
top5,
eon3,
net3,
not3,
one3,
ten3,
toe3,
ton3,
2 letter words:
ef5,
fe5,
of5,
op4,
pe4,
po4,
en2,
et2,
ne2,
no2,
oe2,
on2,
te2,
to2,