10 letter words:
humbugging20,
7 letter words:
hugging13,
bugging12,
mugging12,
6 letter words:
humbug14,
4 letter words:
hung8,
migg8,
mugg8,
nigh8,
numb8,
bung7,
muni6,
3 letter words:
him8,
hub8,
hum8,
bum7,
ghi7,
hug7,
mib7,
ugh7,
big6,
bug6,
gib6,
gum6,
hin6,
hun6,
mig6,
mug6,
bin5,
bun5,
gig5,
igg5,
mun5,
nib5,
nim5,
nub5,
gin4,
gnu4,
gun4,
2 letter words:
hm7,
hi5,
uh5,
bi4,
mi4,
mu4,
um4,
in2,
nu2,
un2,