5 letter words:
rugby11,
gyrus9,
surgy9,
burgs8,
grubs8,
4 letter words:
bury9,
busy9,
buys9,
ruby9,
guys8,
bugs7,
burg7,
grub7,
burs6,
rubs6,
urbs6,
rugs5,
3 letter words:
buy8,
bys8,
guy7,
bug6,
bur5,
bus5,
rub5,
sub5,
urb5,
rug4,
2 letter words:
by7,
us2,