6 letter words:
birken12,
renker10,
briner8,
5 letter words:
biker11,
brink11,
nebek11,
inker9,
kerne9,
reink9,
biner7,
breer7,
brere7,
brier7,
brine7,
4 letter words:
berk10,
bike10,
bink10,
birk10,
brik10,
kerb10,
kibe10,
keen8,
keir8,
kern8,
kier8,
kine8,
kirn8,
knee8,
nerk8,
reek8,
reik8,
reke8,
renk8,
rink8,
been6,
beer6,
bein6,
bene6,
beni6,
bere6,
bien6,
bier6,
bine6,
birr6,
bree6,
brei6,
bren6,
brer6,
brie6,
brin6,
eine4,
erne4,
reen4,
rein4,
rine4,
3 letter words:
keb9,
eek7,
eik7,
eke7,
erk7,
ink7,
irk7,
ken7,
kin7,
kir7,
nek7,
bee5,
ben5,
bin5,
brr5,
neb5,
nib5,
reb5,
rib5,
een3,
ene3,
ere3,
ern3,
err3,
ire3,
nee3,
nie3,
ree3,
rei3,
ren3,
rin3,
2 letter words:
ki6,
be4,
bi4,
ee2,
en2,
er2,
in2,
ne2,
re2,