5 letter words:
kufis12,
tikis9,
foist8,
tofus8,
4 letter words:
kifs11,
kufi11,
kist8,
kits8,
kois8,
skit8,
souk8,
tiki8,
tusk8,
fist7,
fits7,
sift7,
soft7,
tofu7,
oust4,
outs4,
suit4,
tuis4,
3 letter words:
kif10,
kis7,
kit7,
koi7,
kos7,
ski7,
suk7,
tsk7,
fit6,
fou6,
ifs6,
oft6,
its3,
out3,
sit3,
sot3,
sou3,
tis3,
tui3,
uts3,
2 letter words:
ki6,
if5,
of5,
is2,
it2,
oi2,
os2,
si2,
so2,
ti2,
to2,
us2,
ut2,