5 letter words:
kotow12,
4 letter words:
kiff14,
koff14,
kiwi11,
fifi10,
tiff10,
toff10,
woof10,
koto8,
tiki8,
toko8,
took8,
foot7,
woot7,
3 letter words:
kif10,
kow10,
wok10,
iff9,
off9,
wof9,
kit7,
koi7,
oik7,
fit6,
iwi6,
oft6,
oof6,
owt6,
tow6,
two6,
wit6,
woo6,
wot6,
oot3,
too3,
2 letter words:
ki6,
ko6,
if5,
of5,
ow5,
wo5,
io2,
it2,
oi2,
oo2,
ti2,
to2,