9 letter words:
toxicosis18,
7 letter words:
coxitis16,
6 letter words:
toxics15,
scoots8,
stoics8,
5 letter words:
toxic14,
cists7,
coots7,
costs7,
scoot7,
scots7,
stoic7,
soots5,
4 letter words:
cist6,
coos6,
coot6,
coss6,
cost6,
cots6,
otic6,
scot6,
sics6,
tics6,
oots4,
sits4,
soot4,
sots4,
toss4,
3 letter words:
cox12,
oxo10,
six10,
sox10,
xis10,
cis5,
coo5,
cos5,
cot5,
sic5,
tic5,
its3,
oot3,
sis3,
sit3,
sos3,
sot3,
tis3,
too3,
2 letter words:
ox9,
xi9,
is2,
it2,
oi2,
os2,
si2,
so2,
ti2,
to2,