5 letter words:
ottos5,
stout5,
toots5,
touts5,
tutus5,
4 letter words:
oots4,
otto4,
oust4,
outs4,
soot4,
stot4,
toot4,
tost4,
tots4,
tout4,
tuts4,
tutu4,
3 letter words:
oot3,
out3,
sot3,
sou3,
too3,
tot3,
tut3,
uts3,
2 letter words:
os2,
so2,
to2,
us2,
ut2,