tace[6], cert[6], arce[5], cera[5], race[5], tera[5],
tac[5], car[4], rac[4], cer[4], ate[4], eta[4], rat[4], tar[4], tra[4], ret[4], ter[4], era[3], rea[3],
ce[3], at[3], ta[3], et[3], te[3], ar[2], er[2], re[2],
