5 letter words:
kists9,
skits9,
4 letter words:
kiss8,
kist8,
kits8,
kois8,
koss8,
skis8,
skit8,
tsks8,
sits4,
sots4,
toss4,
3 letter words:
kis7,
kit7,
koi7,
kos7,
ski7,
tsk7,
its3,
sis3,
sit3,
sos3,
sot3,
tis3,
2 letter words:
ki6,
is2,
it2,
oi2,
os2,
si2,
so2,
ti2,
to2,