5 letter words:
bhuts10,
brush10,
buhrs10,
shrub10,
hurst8,
hurts8,
ruths8,
bruts7,
burst7,
rubus7,
4 letter words:
bhut9,
buhr9,
bush9,
hubs9,
hurt7,
huts7,
rhus7,
rush7,
ruth7,
shut7,
thru7,
thus7,
tush7,
brut6,
burs6,
bust6,
buts6,
rubs6,
stub6,
tubs6,
urbs6,
rust4,
ruts4,
urus4,
3 letter words:
hub8,
hut6,
bur5,
bus5,
but5,
rub5,
sub5,
tub5,
urb5,
rut3,
uts3,
2 letter words:
sh5,
uh5,
us2,
ut2,