bece[7], biec[7], beki[7], ceik[6], ceki[6], ciek[6], icek[6], kice[6], ecie[5],
bek[6], bee[5], cek[5], kic[5], cie[4], kei[4], kie[4],
be[4], bi[4], ce[3], ci[3], ki[3], ee[2],
