5 letter words:
yince10,
cines7,
since7,
nines5,
4 letter words:
scye9,
syce9,
sync9,
nyes7,
snye7,
syen7,
syne7,
yens7,
yins7,
cens6,
cine6,
ices6,
nice6,
sice6,
inns4,
nies4,
nine4,
sien4,
sine4,
3 letter words:
icy8,
nye6,
nys6,
sey6,
sny6,
sye6,
syn6,
yen6,
yes6,
yin6,
cis5,
ice5,
sec5,
sic5,
ens3,
inn3,
ins3,
nie3,
nis3,
sei3,
sen3,
sin3,
2 letter words:
ny5,
ye5,
en2,
es2,
in2,
is2,
ne2,
si2,