8 letter words:
ngultrum11,
5 letter words:
grunt6,
4 letter words:
glum7,
grum7,
glut5,
guru5,
lung5,
rung5,
trug5,
tung5,
lunt4,
nurl4,
runt4,
turn4,
3 letter words:
gum6,
mug6,
lum5,
mun5,
mut5,
rum5,
gnu4,
gul4,
gun4,
gut4,
lug4,
rug4,
tug4,
nut3,
run3,
rut3,
tun3,
ulu3,
urn3,
2 letter words:
mu4,
um4,
nu2,
un2,
ut2,