5 letter words:
zoist14,
4 letter words:
sizy16,
sitz13,
zits13,
yoks11,
kist8,
kits8,
kois8,
oiks8,
skio8,
skit8,
toys7,
3 letter words:
zit12,
zos12,
sky10,
yok10,
kis7,
kit7,
koi7,
kos7,
oik7,
sik7,
ski7,
tsk7,
oys6,
soy6,
sty6,
toy6,
yos6,
ios3,
iso3,
its3,
sit3,
sot3,
tis3,
2 letter words:
zo11,
ky9,
ki6,
ko6,
oy5,
yo5,
io2,
is2,
it2,
oi2,
os2,
si2,
so2,
st2,
ti2,
to2,