7 letter words:
kreuzer20,
rebuker13,
6 letter words:
burker12,
rebuke12,
5 letter words:
burke11,
4 letter words:
zerk17,
zebu15,
berk10,
kerb10,
kuru8,
reek8,
beer6,
bree6,
burr6,
rube6,
ruer4,
3 letter words:
zek16,
zee12,
eek7,
eke7,
kue7,
uke7,
bee5,
brr5,
bur5,
reb5,
rub5,
urb5,
ere3,
err3,
ree3,
rue3,
2 letter words:
be4,
er2,
re2,