pecet[8], ceper[7], perce[7], recte[7], repet[7], reper[6],
crep[6], tece[6], cert[6], pert[6], trep[6], erce[5], eter[5], tere[5],
cep[5], pet[5], cer[4], per[4], rep[4], prr[4], ret[4], ter[4],
ce[3], pe[3], et[3], te[3], ee[2], er[2], re[2],
