principiante - array / lista / formato de texto

var list = new Array();
// list = []
list.push("fish");
list.push("dog");
list.push("cat");
list.push("monkey");
list.push("pig");
list.push("bird");
list.push("frog");
//
var join = ["of", "and", "the", "or"];
//
var s = "";
//
_root.onEnterFrame = function() {
var ranNum = random(list.length);
var rWord = list[ranNum];
s += " "+rWord;
//
var ranNum2 = random(join.length);
var rWord2 = join[ranNum2];
s += " "+rWord2;
display.text = s;
};