weń[9], fet[8], tef[8], ref[7], edt[5], der[4], red[4], ret[4], ter[4], twe[4], wet[4], wte[4], rew[3], wre[3],
eń[8], ef[6], fe[6], de[3], et[3], te[3], er[2], re[2], ew[2], we[2],