4 letter words:
cram8,
marc8,
crag7,
gaum7,
gram7,
grum7,
arum6,
mura6,
gaur5,
guar5,
ruga5,
3 letter words:
cam7,
cum7,
mac7,
gam6,
gum6,
mag6,
mug6,
amu5,
arc5,
arm5,
car5,
cru5,
cur5,
mar5,
ram5,
rum5,
gar4,
rag4,
rug4,
2 letter words:
am4,
ma4,
mu4,
um4,
ag3,
ar2,