keep[10], kehr[8], peer[7], reep[7], eher[5], ehre[5], heer[5], rehe[5], herr[5],
per[6], rep[6], ehe[4], ehr[4], her[4], reh[4], rhe[4], ree[3],
eh[3], he[3], er[2], re[2],
