9 letter words:
buckbrush22,
8 letter words:
bushbuck21,
6 letter words:
ruckus12,
suburb10,
5 letter words:
hucks14,
shuck14,
bucks13,
chubs12,
brusk11,
rucks11,
brush10,
buhrs10,
crush10,
shrub10,
bubus9,
burbs9,
curbs9,
kurus9,
scrub9,
rubus7,
4 letter words:
huck13,
buck12,
chub11,
husk11,
busk10,
cusk10,
ruck10,
suck10,
buhr9,
bush9,
hubs9,
such9,
bubs8,
bubu8,
burb8,
cubs8,
curb8,
kuru8,
rusk8,
rhus7,
rush7,
burs6,
crus6,
curs6,
rubs6,
urbs6,
urus4,
3 letter words:
hub8,
bub7,
cub7,
suk7,
bur5,
bus5,
cru5,
cur5,
rub5,
sub5,
urb5,
2 letter words:
sh5,
uh5,
us2,
