public static void noPrefix(List<String> words) {
        final Set<String> strings = new HashSet<>();
        final Set<String> subSets = new HashSet<>();
        final int size = words.size();
        for (int i=0; i< size; i++){
            final String checkedWord = words.get(i);
            //Check if the current word is subset of previous words
            if(subSets.contains(checkedWord)){
                System.out.println("BAD SET");
                System.out.print(checkedWord);
                return;
            }
            
            for(int j=1; j<=checkedWord.length(); j++){
                final String subSet = checkedWord.substring(0, j);
                //Check if any previous word is a subset of the current word
                if(strings.contains(subSet)){
                    System.out.println("BAD SET");
                    System.out.print(checkedWord);
                    return;
                }
                subSets.add(subSet);
            }
            strings.add(checkedWord);
        }
        
        System.out.println("GOOD SET");

    }