Strange Sounds

Original Story

Puzzle situation

The previous volunteer teacher left, so I was sent to the mountains to teach. I stayed at the village chief's home, where a strange yellow paper was pasted at the door. Every night, there was a dull thumping sound coming from their house. I noticed that the sound had a pattern, so I recorded it as 96924482622454. Three days later, the sound disappeared, and I understood what it meant — it was those five words...