7 letter words:
berbere11,
beerier9,
6 letter words:
bribee10,
briber10,
ribber10,
eerier6,
5 letter words:
bribe9,
rebbe9,
breer7,
brere7,
brier7,
eerie5,
4 letter words:
beer6,
bere6,
bier6,
birr6,
bree6,
brei6,
brer6,
brie6,
3 letter words:
bib7,
ebb7,
bee5,
brr5,
reb5,
rib5,
ere3,
err3,
ire3,
ree3,
rei3,
2 letter words:
be4,
bi4,
ee2,
er2,
re2,