6 letter words:
optics10,
picots10,
topics10,
5 letter words:
optic9,
picot9,
pisco9,
topic9,
coits7,
posit7,
stoic7,
topis7,
4 letter words:
cops8,
pics8,
scop8,
spic8,
cist6,
cito6,
cits6,
coit6,
cost6,
cots6,
opts6,
otic6,
piso6,
pits6,
pois6,
post6,
pots6,
scot6,
spit6,
spot6,
stop6,
tics6,
tips6,
tocs6,
topi6,
tops6,
3 letter words:
cop7,
pic7,
cis5,
cit5,
cos5,
cot5,
ops5,
opt5,
pis5,
pit5,
poi5,
pos5,
pot5,
psi5,
pst5,
sic5,
sip5,
soc5,
sop5,
tic5,
tip5,
toc5,
top5,
ios3,
iso3,
its3,
sit3,
sot3,
tis3,
2 letter words:
op4,
pi4,
po4,
io2,
is2,
it2,
oi2,
os2,
si2,
so2,
st2,
ti2,
to2,