function say()
{
	var a=arguments;
	var x=[a[0],a[1]].map(function(v){return v?v.split("").filter(function(v){return "abcdefghijlkmnopqrstuvwxyz".indexOf(v.toLowerCase())>=0}).join("-"):v});
	return a.length===2?x.join(" "):say.bind(this,a[0]);
}