6 letter words:
ubique17,
burier8,
ribier8,
rubier8,
5 letter words:
quire14,
brier7,
4 letter words:
quiz22,
bize15,
zebu15,
bier6,
birr6,
brie6,
burr6,
rube6,
ruer4,
3 letter words:
biz14,
brr5,
bur5,
reb5,
rib5,
rub5,
urb5,
err3,
ire3,
rei3,
rue3,
2 letter words:
qi11,
be4,
bi4,
er2,
re2,