7 letter words:
grummet12,
6 letter words:
gummer11,
tergum9,
5 letter words:
grume8,
muter7,
4 letter words:
merk10,
murk10,
trek8,
turk8,
germ7,
geum7,
grum7,
mure6,
mute6,
term6,
grue5,
trug5,
urge5,
true4,
3 letter words:
keg8,
kue7,
mem7,
mum7,
uke7,
umm7,
gem6,
gum6,
meg6,
mug6,
emu5,
met5,
mut5,
rem5,
rum5,
erg4,
get4,
gut4,
reg4,
rug4,
teg4,
tug4,
ret3,
rue3,
rut3,
ute3,
2 letter words:
mm6,
em4,
me4,
mu4,
um4,
er2,
et2,
re2,
ut2,