7 letter words:
bulgurs10,
6 letter words:
bulgur9,
5 letter words:
burgs8,
grubs8,
blurs7,
burls7,
rubus7,
slurb7,
gurus6,
4 letter words:
bugs7,
burg7,
grub7,
blur6,
burl6,
burs6,
rubs6,
slub6,
urbs6,
guls5,
guru5,
lugs5,
rugs5,
slug5,
slur4,
sulu4,
ulus4,
urus4,
3 letter words:
bug6,
bur5,
bus5,
rub5,
sub5,
urb5,
gul4,
lug4,
rug4,
ulu3,
2 letter words:
us2,