7 letter words:
bebeeru11,
nubbier11,
6 letter words:
bribee10,
burnie8,
rubine8,
5 letter words:
bribe9,
rebbe9,
biner7,
brine7,
bruin7,
burin7,
rubin7,
eerie5,
enure5,
inure5,
urine5,
4 letter words:
burb8,
been6,
beer6,
bein6,
bene6,
beni6,
bere6,
bien6,
bier6,
bine6,
bree6,
brei6,
bren6,
brie6,
brin6,
burn6,
rube6,
unbe6,
eine4,
erne4,
iure4,
reen4,
rein4,
rine4,
ruin4,
rune4,
3 letter words:
bib7,
bub7,
ebb7,
bee5,
ben5,
bin5,
bru5,
bun5,
bur5,
neb5,
nib5,
nub5,
reb5,
rib5,
rub5,
urb5,
een3,
ene3,
ere3,
ern3,
ire3,
nee3,
nie3,
nur3,
ree3,
rei3,
ren3,
rin3,
rue3,
run3,
uni3,
ure3,
urn3,
2 letter words:
be4,
bi4,
ee2,
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,
ur2,