侦探小 A 发现了一篇奇怪的文章,这篇文章中有他正在侦办的案件的线索。
但是这篇文章实在是太长了,分析非常需要时间,于是他找到了会编程的你,请你帮忙完成如下任务。
将这篇只包含英文单词和空格组成的文章中的所有的单词,去除重复的单词后,按字典码从小到大排序后输出。
一行仅包含英文单词和空格的字符串。(单词数≤100,单词长度≤50,单词之间包含 1 个或多个空格)。
按题意要求输出处理后的结果,输出有若干行,每行有一个单词。
This is my best friend and He is my brother
He This and best brother friend is my
My friend is Lilei and Lilei is a good boy He is My best friend
He Lilei My a and best boy friend good is