cafe[10], ciao[8], feie[7], abee[6], beie[6], eibe[6],
cab[8], fee[6], fei[6], abo[6], boa[6], beo[6], bio[6], obi[6], abi[5], bai[5], bei[5], oie[4], eia[3],
fa[5], ob[5], ab[4], bi[4], ai[2], ei[2],
