6 letter words:
fretty12,
5 letter words:
fytte11,
tyred9,
4 letter words:
defy11,
eyry10,
deft8,
dyer8,
fret7,
reft7,
tref7,
trey7,
tyer7,
tyre7,
yett7,
tret4,
3 letter words:
fey9,
fry9,
def7,
dey7,
dry7,
dye7,
fed7,
eft6,
fer6,
fet6,
ref6,
rye6,
try6,
tye6,
yet6,
red4,
ted4,
ret3,
tet3,
2 letter words:
ef5,
fe5,
ye5,
de3,
ed3,
er2,
et2,
re2,