5 letter words:
kotow12,
4 letter words:
book10,
kobo10,
koto8,
took8,
boot6,
obit6,
3 letter words:
wok10,
kob9,
bow8,
kit7,
koi7,
tow6,
two6,
wit6,
woo6,
wot6,
bio5,
bit5,
boo5,
bot5,
obi5,
oot3,
too3,
2 letter words:
ki6,
ow5,
wo5,
bi4,
bo4,
it2,
oi2,
ti2,
to2,