5 letter words:
beers7,
beses7,
brees7,
erses5,
seers5,
seres5,
4 letter words:
beer6,
bees6,
bree6,
rebs6,
eses4,
rees4,
seer4,
sees4,
sere4,
sers4,
3 letter words:
bee5,
bes5,
reb5,
ere3,
ers3,
ess3,
ree3,
res3,
see3,
ser3,
2 letter words:
be4,
er2,
es2,
re2,