5 letter words:
syncs10,
sonsy8,
4 letter words:
foys10,
cony9,
cosy9,
coys9,
sync9,
fons7,
foss7,
nosy7,
soys7,
cons6,
coss6,
sons4,
3 letter words:
foy9,
coy8,
fon6,
soy6,
syn6,
yon6,
con5,
cos5,
nos3,
ons3,
son3,
sos3,
2 letter words:
of5,
oy5,
yo5,
no2,
on2,
os2,
so2,