biwak[12],
bake[9], bike[9], keib[9], wake[9], kawi[9], wiek[9], wabe[8], weib[8],
bak[8], web[7], kea[6], aki[6], kai[6], abi[5], bai[5], bei[5], wie[5], eia[3],
ab[4], bi[4], ai[2], ei[2],
