9 letter words:
survivors15,
8 letter words:
survivor14,
6 letter words:
visors9,
5 letter words:
virus8,
visor8,
orris5,
risus5,
sorus5,
sours5,
4 letter words:
ours4,
sirs4,
sori4,
sour4,
sous4,
sris4,
3 letter words:
vis6,
ors3,
our3,
sir3,
sis3,
sos3,
sou3,
sri3,
2 letter words:
is2,
oi2,
or2,
os2,
si2,
so2,
us2,