rahe[5], reha[5], hart[5], ehrt[5], arte[4], rate[4],
har[4], rah[4], ehr[4], her[4], reh[4], rhe[4], hat[4], are[3], eta[3], art[3], rat[3],
ah[3], ha[3], eh[3], he[3], ar[2], er[2], re[2], et[2],
