5 letter words:
incus7,
4 letter words:
winy10,
wyns10,
ywis10,
sync9,
wins7,
yins7,
unci6,
unis4,
3 letter words:
swy9,
wyn9,
icy8,
nys6,
sny6,
syn6,
win6,
wis6,
wus6,
yin6,
yus6,
cis5,
sic5,
ins3,
nis3,
nus3,
sin3,
sui3,
sun3,
uni3,
uns3,
2 letter words:
ny5,
yu5,
in2,
is2,
nu2,
si2,
un2,
us2,