PbCu ____ AuSn ____ AgHg TiFe FeTi ____ ____ SnAu ____ CuPb ____ ____ SnAu ____ CuPb PbCu ____ AuSn ____ AgHg TiFe FeTi AuSn ____ AgHg TiFe FeTi ____ ____ SnAu ____ CuPb PbCu ____ SnAu ____ CuPb PbCu ____ AuSn ____ AgHg TiFe FeTi ____ ____ AgHg TiFe FeTi ____ ____ SnAu ____ CuPb PbCu ____ AuSn ____ CuPb PbCu ____ AuSn ____ AgHg TiFe FeTi ____ ____ SnAu ____ FeTi ____ ____ SnAu ____ CuPb PbCu ____ AuSn ____ AgHg TiFe