public String listWords() {
        String returnstr = new String();
        
        if(wordobjs.isEmpty()) {
            returnstr = returnstr + "You haven't set any words. ";
        }
        
        for(Word word : wordobjs) {
            returnstr = returnstr + word + " (" + word.mentions + "), ";
        }
        returnstr = returnstr.substring(0, returnstr.length()-2) + ". ";
        
        if(hasUnsetWords()) {
            returnstr = returnstr + "You have " + unsetwordobjs.size() + " word(s) left to set.";
            return returnstr;
        }
        
        return returnstr.substring(0, returnstr.length()-2);
    }