6 letter words:
freers9,
freres9,
refers9,
5 letter words:
fewer11,
ewers8,
feres8,
freer8,
frees8,
frere8,
reefs8,
refer8,
resew8,
sewer8,
sweer8,
serer5,
4 letter words:
ewer7,
ewes7,
fees7,
fere7,
free7,
reef7,
refs7,
serf7,
weer7,
wees7,
were7,
errs4,
rees4,
seer4,
sere4,
3 letter words:
few9,
efs6,
ewe6,
fee6,
fer6,
fes6,
ref6,
sew6,
wee6,
ere3,
err3,
ers3,
ree3,
res3,
see3,
ser3,
2 letter words:
ef5,
fe5,
we5,
er2,
es2,
re2,