peri[7], pier[7], prei[7], drei[4], ried[4], irre[4],
dip[6], per[6], rep[6], die[3], eid[3], der[3], erd[3], red[3], dir[3], ire[3], irr[3],
qi[11], pi[5], ei[2], er[2], re[2],
