function swapEndian(word) {
	        return ((word << 8) & 0xff00ff00) | ((word >>> 8) & 0x00ff00ff);
	    }
Converts a UTF-16 LE string to a word array.

@param {string} utf16Str The UTF-16 LE string.

@return {WordArray} The word array.

@static

@example

    var wordArray = CryptoJS.enc.Utf16LE.parse(utf16Str);