fern[7], derb[6], erbt[6], term[6], nerd[4], ernt[4],
dem[5], emd[5], erb[5], bet[5], met[5], den[3], end[3], der[3], erd[3], red[3], ern[3], ren[3], net[3],
ne[2], er[2], re[2], et[2],
