9 letter words:
coseismic15,
7 letter words:
cimices13,
ciscoes11,
seismic11,
meiosis9,
6 letter words:
comics12,
cosmic12,
ciscos10,
cosecs10,
osmics10,
seccos10,
cosies8,
mioses8,
miosis8,
5 letter words:
comic11,
cisco9,
comes9,
cosec9,
mesic9,
osmic9,
secco9,
coses7,
cosie7,
mises7,
misos7,
seism7,
semis7,
sices7,
issei5,
4 letter words:
come8,
emic8,
mice8,
mics8,
mocs8,
cess6,
coss6,
ices6,
isms6,
mess6,
mise6,
miso6,
miss6,
moss6,
secs6,
semi6,
sice6,
sics6,
sims6,
some6,
soms6,
oses4,
seis4,
3 letter words:
mic7,
moc7,
cis5,
cos5,
ems5,
ice5,
ism5,
mis5,
mos5,
oms5,
sec5,
sic5,
sim5,
som5,
ess3,
oes3,
ose3,
sei3,
sis3,
sos3,
2 letter words:
em4,
me4,
mi4,
mo4,
om4,
es2,
is2,
oe2,
oi2,
os2,
si2,
so2,