import java.util.*;
import java.lang.*;
public class Test{
public static int fun_solve(String[] words){
String[] trans_list = {".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."};
StringBuilder sBuilder = new StringBuilder(); // 用于对word进行morse翻译的存储
Set<String> words_morse_list = new HashSet<String>();//用于存放翻译好的所有word
for(String word:words){
char[] letter_list = word.toCharArray();
for(char letter:letter_list){
sBuilder.append(trans_list[letter - 'a']);
}
words_morse_list.add(sBuilder.toString());
sBuilder.replace(0, sBuilder.length(), "");
}
return words_morse_list.size();
}
public static void main(String[] args){
String[] words = {"gin", "zen", "gig", "msg"};
System.out.println(fun_solve(words));
}
}