6 letter words:
beurre8,
burler8,
burrel8,
5 letter words:
bluer7,
breer7,
brere7,
brule7,
rebel7,
rubel7,
ruble7,
lurer5,
ruler5,
4 letter words:
beer6,
bere6,
blee6,
blue6,
blur6,
bree6,
brer6,
burl6,
burr6,
lube6,
rube6,
leer4,
lere4,
lure4,
reel4,
ruer4,
rule4,
3 letter words:
bee5,
bel5,
brr5,
bru5,
bur5,
reb5,
rub5,
urb5,
eel3,
ere3,
err3,
lee3,
leu3,
lur3,
ree3,
rue3,
ule3,
ure3,
2 letter words:
be4,
ee2,
el2,
er2,
re2,
ur2,