8 letter words:
fetterer11,
7 letter words:
freezer19,
fretter10,
6 letter words:
freeze18,
ferret9,
fetter9,
reefer9,
retree6,
teeter6,
terete6,
terret6,
5 letter words:
feeze17,
ferer8,
freer8,
freet8,
frere8,
refer8,
terfe8,
4 letter words:
trez13,
feer7,
feet7,
fere7,
fete7,
fett7,
free7,
fret7,
reef7,
reft7,
terf7,
tref7,
rete4,
teer4,
tete4,
tree4,
tret4,
3 letter words:
fez15,
rez12,
zee12,
eft6,
erf6,
fee6,
fer6,
fet6,
ref6,
tef6,
ere3,
err3,
ree3,
ret3,
tee3,
tet3,
2 letter words:
ef5,
fe5,
ee2,
er2,
et2,
re2,
te2,