dedr[6], dred[6], dero[5], redo[5], deso[5], dres[5], oere[4], eser[4], eros[4],
deo[4], ode[4], der[4], red[4], odr[4], ord[4], rod[4], des[4], ero[3], ser[3], ros[3],
de[3], do[3], od[3], ee[2], eo[2], er[2], re[2], or[2], ro[2], es[2], se[2], os[2],
