efem[9], ferm[9], fere[8], free[8], derm[6], erem[5], drew[5],
fee[7], ref[7], dem[5], mee[4], der[4], red[4], mer[4], rem[4], mew[4], ewe[3], rew[3], wre[3],
ef[6], fe[6], de[3], em[3], me[3], ee[2], er[2], re[2], ew[2], we[2],
