Moving array from keyframe to txt file and shuffle

Hi I have an array in a keyframe - but i want to have it in a textfile instead ( so that others can edit it for themselves. But i am having difficulty doing it.
At the moment I have this on a button

on(press){
letters = new Array ();
letters.push (“Y”);
letters.push (“d”);
letters.push (“e”);

_root.gotoAndStop(8)

Then in frame 8 I have serveral dynamic textboxes and in the keyframe I have

box1=letters[0];
box2=letters[1];
etc…

What I’d like to know is how to change the above array so that it would work in a text file (which would be easier for others to edit you see).
I think i could divide the letters by : and then use some code to break the array apart at ‘:’. But I am not really sure.
Can anyone give me some pointers?
Also - if u have time to shuffle the array so letters appear in different boxes each time?
cheers
lesley