rech[8], sech[8], herb[7], cers[7], rehs[5], sehr[5],
heb[6], cer[6], ces[6], sec[6], erb[5], ehr[4], her[4], reh[4], rhe[4], seh[4], ers[3], res[3],
eh[3], he[3], er[2], re[2], es[2],