5 letter words:
ferny11,
entry8,
4 letter words:
fern7,
fret7,
reft7,
tref7,
trey7,
tyer7,
tyne7,
tyre7,
rent4,
tern4,
3 letter words:
fey9,
fry9,
eft6,
fen6,
fer6,
fet6,
ref6,
rye6,
try6,
tye6,
yen6,
yet6,
ern3,
net3,
ret3,
ten3,
2 letter words:
ef5,
fe5,
ye5,
en2,
er2,
et2,
ne2,
re2,