import Nanoquery.IO

def is_ordered(word)
    word = str(word)
    if len(word) < 2
        return true
    end

    for i in range(1, len(word) - 1)
        if str(word[i]) < str(word[i - 1])
            return false
        end
    end

    return true
end

longest = 0
words = {}
for word in new(File, "unixdict.txt").read()
    if is_ordered(word)
        if len(word) > longest
            longest = len(word)
            words.clear()
            words.append(word)
        else if len(word) = longest
            words.append(word)
        end
    end
end
println words