bach[9], chap[8], pach[8], pcha[8], pech[8], bace[7], bece[7], echa[7], heca[7], eche[7], hece[7], cepa[6], pace[6],
cab[6], ach[6], cha[6], che[6], ech[6], hec[6], hep[6], bee[5], ehe[5], cap[5], pac[5], cep[5],
ba[4], be[4], ha[4], eh[4], he[4], ce[3], pa[3], pe[3], ee[2],
