9 letter words:
grubworms17,
8 letter words:
grubworm16,
7 letter words:
burrows12,
6 letter words:
burrow11,
gumbos11,
bourgs9,
burros8,
rumors8,
5 letter words:
wombs12,
brows10,
gumbo10,
worms10,
grows9,
umbos9,
bogus8,
bourg8,
burgs8,
gorms8,
grubs8,
burro7,
burrs7,
murrs7,
rumor7,
4 letter words:
womb11,
bows9,
brow9,
mows9,
swob9,
swum9,
worm9,
bums8,
grow8,
mobs8,
umbo8,
wogs8,
bogs7,
bugs7,
burg7,
gobs7,
gorm7,
grub7,
grum7,
gums7,
mogs7,
mugs7,
rows7,
smog7,
smug7,
bros6,
burr6,
burs6,
mors6,
murr6,
orbs6,
robs6,
roms6,
rubs6,
rums6,
sorb6,
sumo6,
urbs6,
rugs5,
ours4,
sour4,
3 letter words:
bow8,
mow8,
bum7,
mob7,
wog7,
bog6,
bug6,
gob6,
gum6,
mog6,
mug6,
row6,
sow6,
wos6,
bos5,
bro5,
brr5,
bur5,
bus5,
mor5,
mos5,
mus5,
oms5,
orb5,
rob5,
rom5,
rub5,
rum5,
sob5,
som5,
sub5,
sum5,
urb5,
gor4,
gos4,
rug4,
ors3,
our3,
sou3,
2 letter words:
ow5,
wo5,
bo4,
mo4,
mu4,
om4,
um4,
go3,
or2,
os2,
so2,
us2,