6 letter words:
ossify12,
foists9,
5 letter words:
skyfs15,
fisks12,
kissy12,
fisty11,
softy11,
kists9,
skios9,
skits9,
fists8,
foist8,
sifts8,
softs8,
tossy8,
4 letter words:
fiky14,
skyf14,
fisk11,
kifs11,
yoks11,
foys10,
kiss8,
kist8,
kits8,
kois8,
koss8,
oiks8,
skio8,
skis8,
skit8,
tsks8,
fist7,
fits7,
foss7,
sift7,
soft7,
soys7,
toys7,
isos4,
sist4,
sits4,
sots4,
toss4,
3 letter words:
kif10,
sky10,
yok10,
foy9,
kis7,
kit7,
koi7,
kos7,
oik7,
sik7,
ski7,
tsk7,
fit6,
ifs6,
oft6,
oys6,
sif6,
soy6,
sty6,
toy6,
yos6,
ios3,
iso3,
its3,
sis3,
sit3,
sos3,
sot3,
tis3,
2 letter words:
ky9,
fy8,
ki6,
ko6,
if5,
of5,
oy5,
yo5,
io2,
is2,
it2,
oi2,
os2,
si2,
so2,
st2,
ti2,
to2,