metr[6], term[6], trem[6], nett[6], tent[6], tetr[6], tret[6], rent[5], tern[5], tren[5],
met[5], men[4], nem[4], mer[4], rem[4], net[4], ten[4], ret[4], ter[4], ner[3], ren[3],
em[3], me[3], et[3], te[3], en[2], er[2], re[2],
