6 letter words:
cousin8,
5 letter words:
cions7,
coins7,
conus7,
icons7,
incus7,
oncus7,
scion7,
sonic7,
uncos7,
4 letter words:
cion6,
coin6,
coni6,
cons6,
icon6,
unci6,
unco6,
ions4,
nous4,
onus4,
unis4,
3 letter words:
cis5,
con5,
cos5,
sic5,
soc5,
ins3,
ion3,
ios3,
iso3,
nis3,
nos3,
nus3,
ons3,
ous3,
sin3,
son3,
sou3,
sui3,
sun3,
uni3,
uns3,
2 letter words:
in2,
io2,
is2,
no2,
nu2,
oi2,
on2,
os2,
ou2,
si2,
so2,
un2,
us2,
