arche[8], chera[8], erach[8], harce[8], herca[8],
echa[7], heca[7], char[7], harc[7], cher[7], herc[7], hera[6], arce[5], cera[5], race[5],
ach[6], cha[6], che[6], ech[6], hec[6], her[5], car[4], rac[4], cer[4], era[3], rea[3],
ha[4], eh[4], he[4], ce[3], ar[2], er[2], re[2],
