fet[8], tef[8], ref[7], bek[6], bet[6], cek[5], ber[5], erb[5], reb[5], ket[5], tek[5], web[5], cer[4], ker[4], rek[4], ret[4], ter[4], cew[4], wek[4], twe[4], wet[4], wte[4], rew[3], wre[3],
ef[6], fe[6], be[4], ce[3], et[3], te[3], er[2], re[2], ew[2], we[2],