6 letter words:
freers9,
freres9,
refers9,
5 letter words:
fezes17,
feres8,
fesse8,
freer8,
frees8,
frere8,
reefs8,
refer8,
serfs8,
erses5,
seers5,
serer5,
seres5,
4 letter words:
zees13,
fees7,
fere7,
fess7,
free7,
reef7,
refs7,
serf7,
errs4,
eses4,
rees4,
seer4,
sees4,
sere4,
sers4,
3 letter words:
fez15,
zee12,
efs6,
fee6,
fer6,
fes6,
ref6,
ere3,
err3,
ers3,
ess3,
ree3,
res3,
see3,
ser3,
2 letter words:
ef5,
fe5,
er2,
es2,
re2,