5 letter words:
yince10,
cines7,
since7,
nines5,
4 letter words:
syce9,
sync9,
snye7,
syne7,
yens7,
yins7,
cine6,
ices6,
nice6,
sice6,
inns4,
nine4,
sine4,
3 letter words:
icy8,
syn6,
yen6,
yes6,
yin6,
cis5,
ice5,
sec5,
sic5,
ens3,
inn3,
ins3,
sei3,
sen3,
sin3,
2 letter words:
ye5,
en2,
es2,
in2,
is2,
ne2,
si2,