Guess the riddle of this poem.

1. Speak in a low voice (typing a five-character Tang poem): Don't dare to speak loudly.

2. Pills (one of the five Tang poems): Every pill is hard.

3. Going in and out (typing a five-character Tang poem): Bring me my shadow and let the three of us.

4. Year-end ledger (typing a five-character Tang poem): I don't know how many flowers have been folded.

5. Zhang Yide's household registration (typing a seven-character Tang poem): flying into the homes of ordinary people.

6. Zhu Shi is too red, and Fu Fen is too white (I wrote a seven-character Tang poem): But it's too dirty.