6 letter words:
rebuke12,
5 letter words:
burke11,
rebbe9,
4 letter words:
berk10,
buke10,
burk10,
kerb10,
bubu8,
burb8,
kuru8,
reek8,
reke8,
beer6,
bere6,
bree6,
rube6,
3 letter words:
keb9,
bub7,
ebb7,
eek7,
eke7,
erk7,
euk7,
kue7,
uke7,
bee5,
bru5,
bur5,
reb5,
rub5,
urb5,
ere3,
ree3,
rue3,
ure3,
2 letter words:
be4,
ee2,
er2,
re2,
ur2,