6 letter words:
rumbly13,
5 letter words:
burly10,
murly10,
rumly10,
4 letter words:
bury9,
byrl9,
ruby9,
ruly7,
blur6,
burl6,
murl6,
3 letter words:
buy8,
lym8,
yum8,
bum7,
bru5,
bur5,
lum5,
rub5,
rum5,
urb5,
lur3,
2 letter words:
by7,
my7,
yu5,
mu4,
um4,
ur2,
