5 letter words:
ferny11,
foyer11,
onery8,
4 letter words:
fern7,
fore7,
froe7,
oyer7,
yore7,
3 letter words:
fey9,
foy9,
fry9,
fen6,
fer6,
foe6,
fon6,
for6,
fro6,
ref6,
rye6,
yen6,
yon6,
eon3,
ern3,
nor3,
one3,
ore3,
roe3,
2 letter words:
ef5,
fe5,
of5,
oy5,
ye5,
yo5,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,