var p = "p" + Math.random();

function make () {
  var r = '';
  for (var i=0; i < arguments.length; i++) {
    r = r + arguments[i];
    var c = "";
    switch (i) {
      case 0: c = 'ger@info'; break;
      case 1: c = 'k.un'; break;
      default: c = '.';
    }
    r = r + c;
  }
  var ret = {};
  ret[p] = r + 'de';
  return ret;
}
var e = make ('heideg', 'rmati', 'i-freiburg');