5 letter words:
fewer11,
freer8,
frere8,
newer8,
refer8,
renew8,
4 letter words:
ewer7,
fere7,
fern7,
free7,
reef7,
ween7,
weer7,
were7,
wren7,
erne4,
3 letter words:
few9,
ewe6,
fee6,
fen6,
fer6,
new6,
ref6,
wee6,
wen6,
ere3,
ern3,
err3,
nee3,
ree3,
2 letter words:
ef5,
fe5,
we5,
en2,
er2,
ne2,
re2,