Search Col.A for words that contain charactrs in Col.B & list all matches adjacently

Hey All, Is there anyone who can help me with the query below?

I have a column that list a series of Mandarin (Chinese) words (Column A), adajacent to that column I have a list of individual characters (Column B). I want to search Column A for all words that contain characters in Column B and return all matching words (comma seperated) in Column C adjacent to each character,

Example below (or see attachment):

WordsCharacter Result
后天 后 后天，后边， 以后
后边 明 明天，明年，明堂
明天
明年
以后
明堂

Any code/formulae that would help would be much appreciated.