5 letter words:
okapi11,
4 letter words:
book10,
kobo10,
paik10,
pika10,
obia6,
3 letter words:
kab9,
kip9,
kob9,
kop9,
bap7,
bop7,
koa7,
koi7,
oak7,
oka7,
abo5,
apo5,
bio5,
boa5,
boo5,
oba5,
obi5,
pia5,
poi5,
poo5,
2 letter words:
ka6,
ki6,
ab4,
ba4,
bi4,
bo4,
op4,
pa4,
pi4,
ai2,
oi2,