[JAVA] Cognate Words авторско решение

import java.util.Scanner;
import java.util.HashSet;

public class CognateWords {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] words = sc.nextLine().split("[^a-zA-Z]+");

        HashSet<String> cognateWords = new HashSet<>();
        for (int a = 0; a < words.length; a++) {
            for (int b = 0; b < words.length; b++) {
                for (int c = 0; c < words.length; c++) {
                    // Check if a!=b and a|b=c
                    if (a != b) {
                        boolean check = (words[a] + words[b]).equals(words[c]);
                        if (check) {
                            cognateWords.add(words[a] + "|" + words[b] + "=" + words[c]);
                        }
                    }
                }
            }
        }

        if (cognateWords.isEmpty()) {
            System.out.println("No");
        } else {
            for (String cognate : cognateWords) {
                System.out.println(cognate);
            }
        }
    }

}