hecy[8], chny[8], chen[7], geny[7], henn[6], ceny[6],
cyg[7], hyc[7], che[6], ech[6], hec[6], nyg[6], gen[5], hen[5], cny[5], cyn[5], cen[4], cne[4],
eh[4], he[4], ce[3], ny[3], en[2],
