Recently, a kind of posts like "Everyone says a word start with (or ends with) xx (a certain combination of alphabets) become more and more popular among Chinese social media. 

I think this can be an effective way to use words. So let's have a try.

Besides, I would appreciate it if you could put any new questions of this kind.

The first question will appear in 3F. Feel free to do it!

This floor is used to show any questions and advice of this series.

Question 1: everyone says a word starting with "ob"

Question 2: everyone says a word starting with "pr"

Question 3: everyone says a word starting with "ba"

Question 3: everyone says a word starting with "qu"

Question 5: everyone says a word starting with "en"

Question 6: everyone says a word ending with "a"