6 letter words:
hummer13,
gummer11,
5 letter words:
rheum10,
huger9,
grume8,
4 letter words:
merk10,
murk10,
herm9,
huge8,
germ7,
geum7,
grum7,
mure6,
grue5,
urge5,
3 letter words:
hmm10,
hem8,
hum8,
keg8,
hug7,
kue7,
mem7,
mum7,
ugh7,
uke7,
umm7,
gem6,
gum6,
her6,
hue6,
meg6,
mug6,
emu5,
rem5,
rum5,
erg4,
reg4,
rug4,
rue3,
2 letter words:
hm7,
mm6,
eh5,
he5,
uh5,
em4,
me4,
mu4,
um4,
er2,
re2,