5 letter words:
kotow12,
4 letter words:
boko10,
book10,
kobo10,
koto8,
toko8,
took8,
woot7,
boot6,
3 letter words:
kow10,
wok10,
bok9,
kob9,
bow8,
owt6,
tow6,
two6,
woo6,
wot6,
boo5,
bot5,
obo5,
oot3,
too3,
2 letter words:
ko6,
ow5,
wo5,
bo4,
ob4,
oo2,
to2,