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private void button1_Click(object sender, EventArgs e)
{
	foreach(var str in listBox1)
	{
		string tmp = string.Empty;

		for(var i = 0; i < str.Length; i++)
		{
			if(char.IsLetter(str[i]) || char.IsWhiteSpace(str[i]) || str[i] == '-') tmp += str[i];
		}

		tmp = tmp.Trim();

		listBox2.Add(tmp.Last() + tmp.Substring(1,str.Length - 2) + tmp.First()
			+ str.Substring(str.LastIndexOf(tmp.Last()) + 1));
	}
}