5 letter words:
usury8,
rubus7,
4 letter words:
jury14,
bury9,
busy9,
buys9,
ruby9,
bums8,
burs6,
rubs6,
rums6,
urbs6,
urus4,
3 letter words:
jus10,
buy8,
bys8,
yum8,
bum7,
bur5,
bus5,
mus5,
rub5,
rum5,
sub5,
sum5,
urb5,
2 letter words:
by7,
my7,
mu4,
um4,
us2,