输入一个文本，找出所有不同的单词（连续的字母序列），按字典序从小到大输出。单词不区分大小写。
输入一个文本。
按照字典序输出每个不相同的单词。
Adventures in Disneyland Two blondes were going to Disneyland when they came to a fork in the road. The sign read: "Disneyland Left." So they went home.
a adventures blondes came disneyland