6 letter words:
xystoi16,
5 letter words:
sixty15,
xysti15,
4 letter words:
xyst14,
toys7,
3 letter words:
oxy13,
six10,
sox10,
tix10,
xis10,
oys6,
soy6,
sty6,
toy6,
yos6,
ios3,
iso3,
its3,
sit3,
sot3,
tis3,
2 letter words:
ox9,
xi9,
oy5,
yo5,
io2,
is2,
it2,
oi2,
os2,
si2,
so2,
st2,
ti2,
to2,