6 letter words:
mumbly15,
rumbly13,
5 letter words:
muzzy28,
yummy15,
rummy12,
burly10,
4 letter words:
buzz24,
bury9,
byrl9,
ruby9,
ruly7,
blur6,
burl6,
3 letter words:
zuz21,
buy8,
yum8,
bum7,
mum7,
umm7,
bur5,
lum5,
rub5,
rum5,
urb5,
2 letter words:
by7,
my7,
mm6,
mu4,
um4,