title: Angular ng-repeat. Looping through the letters in string
body: <p>I'va just started learning Angular and can't manage an issue with <code>ng-repeat</code>.</p>
  
  <p>I want to display every letter from input in a single <code>span</code> element. I tried many ways but nothing works. </p>
  
  <p><a href="http://codepen.io/Arkej/pen/NRNBPj" rel="nofollow">
  Here's my code on codepen</a></p>