8 letter words:
coassist10,
7 letter words:
scotias9,
6 letter words:
ascots8,
cassis8,
coasts8,
coatis8,
scotia8,
stoics8,
assist6,
stasis6,
5 letter words:
ascot7,
casts7,
cists7,
coast7,
coati7,
coats7,
costa7,
costs7,
scats7,
scots7,
socas7,
stoic7,
tacos7,
iotas5,
oasis5,
oasts5,
ossia5,
ostia5,
satis5,
stoai5,
stoas5,
stoss5,
4 letter words:
acts6,
asci6,
cast6,
cats6,
ciao6,
cist6,
coat6,
coss6,
cost6,
cots6,
ocas6,
otic6,
sacs6,
scat6,
scot6,
sics6,
soca6,
taco6,
tics6,
aits4,
iota4,
oast4,
oats4,
ossa4,
sass4,
sati4,
sits4,
sots4,
stoa4,
taos4,
tass4,
toss4,
3 letter words:
act5,
cat5,
cis5,
cos5,
cot5,
oca5,
sac5,
sic5,
tic5,
ais3,
ait3,
ass3,
its3,
oat3,
sat3,
sis3,
sit3,
sos3,
sot3,
tao3,
tas3,
tis3,
2 letter words:
ai2,
as2,
at2,
is2,
it2,
oi2,
os2,
si2,
so2,
ta2,
ti2,
to2,
