oper[8], pore[8], hore[6], ohre[6], rohe[6],
epo[7], pro[7], per[6], rep[6], ohr[5], rho[5], roh[5], ehr[4], her[4], reh[4], rhe[4],
po[6], ho[4], oh[4], eh[3], he[3], er[2], re[2],
