ferm[9], tref[9], dnem[6], mend[6], derm[6], metr[6], term[6], trem[6], dren[5], nerd[5], rent[5], tern[5], tren[5],
fet[8], tef[8], fen[7], nef[7], ref[7], dem[5], edt[5], met[5], den[4], end[4], men[4], nem[4], der[4], red[4], mer[4], rem[4], net[4], ten[4], ret[4], ter[4], ner[3], ren[3],
ef[6], fe[6], de[3], em[3], me[3], et[3], te[3], en[2], er[2], re[2],
