perl[8], pers[7], reps[7], lehr[6], herr[5], rehs[5], sehr[5],
per[6], rep[6], pes[6], ehr[4], her[4], reh[4], rhe[4], seh[4], les[4], ers[3], res[3],
eh[3], he[3], er[2], re[2], es[2],
