4 letter words:
kows11,
woks11,
yoks11,
yows10,
ywis10,
kois8,
oiks8,
skio8,
3 letter words:
kow10,
sky10,
wok10,
yok10,
swy9,
yow9,
kis7,
koi7,
kos7,
oik7,
sik7,
ski7,
oys6,
sow6,
soy6,
wis6,
wos6,
yos6,
ios3,
iso3,
2 letter words:
ky9,
ki6,
ko6,
ow5,
oy5,
wo5,
yo5,
io2,
is2,
oi2,
os2,
si2,
so2,