PbCu ____ ____ ____ AgHg TiFe FeTi HgAg ____ SnAu ____ CuPb HgAg ____ SnAu ____ CuPb PbCu ____ ____ ____ AgHg TiFe FeTi ____ ____ AgHg TiFe FeTi HgAg ____ SnAu ____ CuPb PbCu ____ SnAu ____ CuPb PbCu ____ ____ ____ AgHg TiFe FeTi HgAg ____ AgHg TiFe FeTi HgAg ____ SnAu ____ CuPb PbCu ____ ____ ____ CuPb PbCu ____ ____ ____ AgHg TiFe FeTi HgAg ____ SnAu ____ FeTi HgAg ____ SnAu ____ CuPb PbCu ____ ____ ____ AgHg TiFe