@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Word word = (Word) o;

        if (eWord != null ? !eWord.equals(word.eWord) : word.eWord != null) return false;
        if (rWord != null ? !rWord.equals(word.rWord) : word.rWord != null) return false;

        return true;
    }