4 letter words:
kifs11,
woks11,
yoks11,
foys10,
yows10,
ywis10,
kois8,
3 letter words:
kif10,
sky10,
wok10,
yok10,
foy9,
yow9,
kis7,
koi7,
kos7,
ski7,
ifs6,
sow6,
soy6,
wis6,
wos6,
2 letter words:
ki6,
if5,
of5,
ow5,
oy5,
wo5,
yo5,
is2,
oi2,
os2,
si2,
so2,