7 letter words:
beerier9,
6 letter words:
brenne8,
briner8,
eerier6,
nerine6,
5 letter words:
benne7,
benni7,
biner7,
breer7,
brere7,
brier7,
brine7,
eerie5,
inner5,
renin5,
renne5,
4 letter words:
been6,
beer6,
bein6,
bene6,
beni6,
bere6,
bien6,
bier6,
bine6,
birr6,
bree6,
brei6,
bren6,
brer6,
brie6,
brin6,
eine4,
erne4,
nene4,
nine4,
reen4,
rein4,
rine4,
3 letter words:
bee5,
ben5,
bin5,
brr5,
neb5,
nib5,
reb5,
rib5,
een3,
ene3,
ere3,
ern3,
err3,
inn3,
ire3,
nee3,
nie3,
ree3,
rei3,
ren3,
rin3,
2 letter words:
be4,
bi4,
ee2,
en2,
er2,
in2,
ne2,
re2,