chyb[10], bach[9], bacy[8], caby[8], achy[8], hyca[8], hecy[8], bace[7], echa[7], heca[7],
hyc[7], cab[6], ach[6], cha[6], che[6], ech[6], hec[6], aby[6],
by[5], ba[4], be[4], ha[4], eh[4], he[4], ce[3],
