6 letter words:
regnum9,
5 letter words:
grenz15,
grume8,
rumen7,
4 letter words:
germ7,
geum7,
grum7,
meng7,
mung7,
menu6,
mure6,
neum6,
rume6,
genu5,
gren5,
grue5,
gurn5,
rung5,
urge5,
rune4,
3 letter words:
rez12,
gem6,
gum6,
meg6,
mug6,
emu5,
men5,
meu5,
mun5,
rem5,
rum5,
eng4,
erg4,
gen4,
gnu4,
gue4,
gun4,
gur4,
neg4,
reg4,
rug4,
ern3,
nur3,
ren3,
rue3,
run3,
ure3,
urn3,
2 letter words:
em4,
me4,
mu4,
um4,
gu3,
ug3,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,