9 letter words:
silicosis11,
5 letter words:
coils7,
silos5,
soils5,
4 letter words:
coil6,
cols6,
coss6,
loci6,
sics6,
loss4,
oils4,
silo4,
soil4,
soli4,
sols4,
3 letter words:
cis5,
col5,
cos5,
sic5,
lis3,
oil3,
sis3,
sol3,
sos3,
2 letter words:
is2,
li2,
lo2,
oi2,
os2,
si2,
so2,
