6 letter words:
reverb11,
rebred9,
5 letter words:
bever10,
breve10,
brede8,
breed8,
breer7,
brere7,
drere6,
erred6,
4 letter words:
verb9,
deev8,
derv8,
verd8,
bede7,
bred7,
debe7,
erev7,
ever7,
veer7,
beer6,
bere6,
bree6,
brer6,
deer5,
dere5,
dree5,
ered5,
rede5,
reed5,
3 letter words:
dev7,
bed6,
deb6,
eve6,
rev6,
vee6,
bee5,
brr5,
reb5,
dee4,
red4,
ere3,
err3,
ree3,
2 letter words:
be4,
de3,
ed3,
ee2,
er2,
re2,