var words = $("p").text().split(" ");
var text = words.join("</span> <span>");
$("p").html("<span>" + text + "</span>");
<span class="hoverable">sone</span><span class="hoverable">words</span><span class="hoverable">here</span>
<script>
$("span.hoverable").hover(function () {
var word = $(this).html(); // there is a word to send to server
});
</script>