sery[5], rosy[5], ryso[5], sosy[5], eros[4], sers[4],
ery[4], esy[4], osy[4], rys[4], ero[3], ser[3], ros[3], sos[3],
eo[2], er[2], re[2], or[2], ro[2], es[2], se[2], os[2],
