7 letter words:
rostrum9,
6 letter words:
rumors8,
tumors8,
5 letter words:
morts7,
murrs7,
rumor7,
storm7,
strum7,
tumor7,
roust5,
routs5,
stour5,
torrs5,
torus5,
tours5,
4 letter words:
mors6,
mort6,
most6,
mots6,
murr6,
must6,
muts6,
roms6,
rums6,
smut6,
stum6,
sumo6,
toms6,
orts4,
ours4,
oust4,
outs4,
rots4,
rout4,
rust4,
ruts4,
sort4,
sour4,
torr4,
tors4,
tour4,
3 letter words:
mor5,
mos5,
mot5,
mus5,
mut5,
oms5,
rom5,
rum5,
som5,
sum5,
tom5,
ors3,
ort3,
our3,
out3,
rot3,
rut3,
sot3,
sou3,
tor3,
uts3,
2 letter words:
mo4,
mu4,
om4,
um4,
or2,
os2,
so2,
to2,
us2,
ut2,
