Hello friends, have some fun with this mind-boggling puzzle. Can you solve it? Let's find out!

Q: A man receives letters once a month, each containing a sequence of letters. Last 4 letters received: 'FYJK', 'ROVX', 'BEGI', 'NTSU'. Today he's unexpectedly rich. What has he been receiving?

Challenge yourself with this puzzle! Answer Yes/No to questions to uncover information. Think outside the box to solve it! #puzzles #riddles