9 letter words:
humbugger18,
6 letter words:
humbug14,
hugger11,
bugger10,
mugger10,
muggur10,
5 letter words:
rhumb12,
brugh11,
burgh11,
begum10,
rheum10,
brume9,
huger9,
umber9,
grume8,
gurge7,
4 letter words:
buhr9,
herb9,
herm9,
berm8,
huge8,
mugg8,
berg7,
burg7,
germ7,
geum7,
grub7,
grum7,
mure6,
rube6,
grue5,
guru5,
urge5,
3 letter words:
hem8,
hub8,
hum8,
bum7,
hug7,
ugh7,
beg6,
bug6,
gem6,
gum6,
her6,
hue6,
meg6,
mug6,
bur5,
egg5,
emu5,
reb5,
rem5,
rub5,
rum5,
urb5,
erg4,
reg4,
rug4,
rue3,
2 letter words:
hm7,
eh5,
he5,
uh5,
be4,
em4,
me4,
mu4,
um4,
er2,
re2,