Pupils' best friend password: 1, King Gaihudi, River Demon in Baota Town. It's a pleasure to have friends coming from afar. 3, sesame blossoms, and the festival is high. 4, married as husband and wife, love is not in doubt. 5. Bunny, open the door. 6, Wang Gai soil tiger, chicken stewed mushrooms. 7. When you enter the sea, you are a passer-by. 8, the kitten catches the mouse, you are 250. 9, golden wood fire, acclimatized, chest broken stone. 10, thousands of Baidu looking for her, thousands of miles together. 1 1, I hate being born at the wrong time, and the road ahead is really bleak.

The meaning of code words: secret signs or signals agreed upon by each other. A secret sign or signal of mutual agreement. Song Yu Wenbao's Four Records of Blowing Sword: "The examiner is also ordered by the Bribery Bureau. When they go to get it, they don't look at the text, they look at the code. "