6 letter words:
thumbs13,
5 letter words:
thumb12,
bhuts10,
musth10,
4 letter words:
bhut9,
bush9,
hubs9,
hums9,
mush9,
bums8,
huts7,
shut7,
thus7,
tush7,
bust6,
buts6,
must6,
muts6,
smut6,
stub6,
stum6,
tubs6,
3 letter words:
hub8,
hum8,
bum7,
hut6,
bus5,
but5,
mus5,
mut5,
sub5,
sum5,
tub5,
uts3,
2 letter words:
hm7,
sh5,
uh5,
mu4,
um4,
us2,
ut2,