6 letter words:
berlin8,
biller8,
rebill8,
5 letter words:
biner7,
birle7,
brill7,
brine7,
libel7,
liber7,
iller5,
liner5,
rille5,
4 letter words:
bein6,
bell6,
beni6,
bien6,
bier6,
bile6,
bill6,
bine6,
birl6,
blin6,
brei6,
bren6,
brie6,
brin6,
leir4,
lien4,
lier4,
line4,
lire4,
nill4,
nirl4,
rein4,
riel4,
rile4,
rill4,
rine4,
3 letter words:
bel5,
ben5,
bin5,
lib5,
neb5,
nib5,
reb5,
rib5,
ell3,
ern3,
ill3,
ire3,
lei3,
lie3,
lin3,
nie3,
nil3,
rei3,
ren3,
rin3,
2 letter words:
be4,
bi4,
el2,
en2,
er2,
in2,
li2,
ne2,
re2,