9 letter words:
cosmogony17,
6 letter words:
syncom13,
cogons9,
congos9,
mongos9,
5 letter words:
moony10,
goony9,
goosy9,
cogon8,
congo8,
mongo8,
coons7,
monos7,
moons7,
nomos7,
goons6,
4 letter words:
mycs11,
gyms10,
cony9,
cosy9,
coys9,
mony9,
sync9,
goys8,
mocs8,
cogs7,
mogs7,
nosy7,
smog7,
cons6,
coon6,
coos6,
mono6,
mons6,
moon6,
moos6,
noms6,
goon5,
goos5,
nogs5,
snog5,
song5,
onos4,
soon4,
3 letter words:
myc10,
gym9,
coy8,
yom8,
goy7,
moc7,
cog6,
mog6,
soy6,
syn6,
yon6,
con5,
coo5,
cos5,
mon5,
moo5,
mos5,
nom5,
oms5,
som5,
goo4,
gos4,
nog4,
noo3,
nos3,
ono3,
ons3,
son3,
2 letter words:
my7,
oy5,
yo5,
mo4,
om4,
go3,
no2,
on2,
os2,
so2,