5 letter words:
gibli8,
libri7,
lurgi6,
4 letter words:
brig7,
burg7,
glib7,
grub7,
birl6,
blur6,
burl6,
girl5,
gurl5,
iglu5,
liri4,
3 letter words:
biz14,
zig13,
luz12,
riz12,
big6,
bug6,
gib6,
gub6,
bru5,
bur5,
lib5,
rib5,
rub5,
urb5,
gul4,
gur4,
lig4,
lug4,
rig4,
rug4,
lur3,
2 letter words:
bi4,
gi3,
gu3,
ug3,
li2,
ur2,