6 letter words:
mercer10,
5 letter words:
berme9,
creme9,
ember9,
emcee9,
rebec9,
emeer7,
merer7,
4 letter words:
berm8,
merc8,
beer6,
bree6,
cere6,
mere6,
3 letter words:
bee5,
brr5,
cee5,
eme5,
reb5,
rec5,
rem5,
ere3,
err3,
ree3,
2 letter words:
be4,
em4,
me4,
er2,
re2,