5 letter words:
groom8,
4 letter words:
gorm7,
grum7,
moor6,
room6,
roum6,
goor5,
3 letter words:
gum6,
mog6,
mug6,
moo5,
mor5,
mou5,
oom5,
rom5,
rum5,
goo4,
gor4,
gur4,
rug4,
oor3,
our3,
roo3,
2 letter words:
mo4,
mu4,
om4,
um4,
go3,
gu3,
ug3,
oo2,
or2,
ou2,
ur2,