acre[7], aare[4], tara[4], arte[4], rate[4], reet[4], teer[4],
car[6], cer[6], act[6], aar[3], ara[3], are[3], ree[3], eta[3], tee[3], art[3], rat[3],
aa[2], ar[2], er[2], re[2], et[2],