efem[9], ferm[9], fere[8], free[8], emek[6], krem[6], merk[6], erek[5], erem[5],
fee[7], ref[7], kem[5], mee[4], ker[4], rek[4], mer[4], rem[4],
ef[6], fe[6], em[3], me[3], ee[2], er[2], re[2],
