k34 ____ TiFe FeTi HgAg ____ SnAu ____ CuPb PbCu ____ AuSn ____ SnAu ____ CuPb PbCu ____ AuSn ____ ____ TiFe FeTi HgAg ____ AuSn ____ ____ TiFe FeTi HgAg ____ SnAu ____ CuPb PbCu ____ HgAg ____ SnAu ____ CuPb PbCu ____ AuSn ____ ____ TiFe FeTi