6 letter words:
bucker14,
5 letter words:
burke11,
cuber9,
4 letter words:
zerk17,
zebu15,
beck12,
buck12,
geck11,
guck11,
berk10,
cuke10,
kerb10,
reck10,
ruck10,
cube8,
curb8,
kuru8,
berg7,
burg7,
grub7,
cure6,
ecru6,
rube6,
grue5,
guru5,
urge5,
3 letter words:
zek16,
keg8,
cub7,
kue7,
uke7,
beg6,
bug6,
bur5,
cru5,
cue5,
cur5,
ecu5,
reb5,
rec5,
rub5,
urb5,
erg4,
reg4,
rug4,
rue3,
2 letter words:
be4,
er2,
re2,