7 letter words:
frustum12,
6 letter words:
thrums11,
5 letter words:
humus10,
musth10,
thrum10,
hurst8,
hurts8,
ruths8,
turfs8,
strum7,
4 letter words:
hums9,
mush9,
furs7,
hurt7,
huts7,
rhus7,
rush7,
ruth7,
shut7,
surf7,
thru7,
thus7,
turf7,
tush7,
must6,
muts6,
rums6,
smut6,
stum6,
rust4,
ruts4,
urus4,
3 letter words:
hum8,
fur6,
hut6,
mus5,
mut5,
rum5,
sum5,
rut3,
uts3,
2 letter words:
hm7,
sh5,
uh5,
mu4,
um4,
us2,
ut2,