dedr[6], dred[6], dery[6], redy[6], dyro[6], odry[6], ordy[6], rody[6], dero[5], redo[5], oere[4],
ody[5], deo[4], ode[4], der[4], red[4], odr[4], ord[4], rod[4], ery[4], ero[3],
de[3], do[3], od[3], ee[2], eo[2], er[2], re[2], or[2], ro[2],
