bake[9], bike[9], keib[9],
bak[8], koi[7], kea[6], aki[6], kai[6], abo[6], boa[6], beo[6], bio[6], obi[6], aba[5], abi[5], bai[5], bei[5], oie[4], eia[3],
ob[5], ab[4], bi[4], aa[2], ai[2], ei[2],
