5 letter words:
fewer11,
ferer8,
freer8,
frere8,
refer8,
4 letter words:
ewer7,
feer7,
fere7,
free7,
reef7,
weer7,
were7,
3 letter words:
fez15,
rez12,
zee12,
few9,
erf6,
ewe6,
fee6,
fer6,
ref6,
rew6,
wee6,
ere3,
err3,
ree3,
2 letter words:
ef5,
fe5,
we5,
ee2,
er2,
re2,