code: public static String singularToPlural(String singul) {
  		return (StringUtils.isBlank(singul) || singul.endsWith("es") || singul.endsWith("ies")) ? singul :
  				(singul.endsWith("s") ? singul + "es" :
  				(singul.endsWith("y") ? StringUtils.removeEndIgnoreCase(singul, "y") + "ies" :
  										singul + "s"));
  	}
docs: Quick and dirty singular to plural conversion.
  @param singul a word
  @return a guess of its plural form