5 letter words:
gebur8,
4 letter words:
zebu15,
jube13,
jure11,
brew9,
grew8,
berg7,
burg7,
grub7,
rube6,
grue5,
urge5,
3 letter words:
bez14,
jew13,
rez12,
gju11,
jug11,
jeu10,
web8,
beg6,
bug6,
gub6,
rew6,
bru5,
bur5,
reb5,
rub5,
urb5,
erg4,
gue4,
gur4,
reg4,
rug4,
rue3,
ure3,
2 letter words:
we5,
be4,
gu3,
ug3,
er2,
re2,
ur2,