Mercy / Rachem Vehi She’amda Avinu Malkeinu Ana Be’choach
The masoretic text has some nuances; such as the inverted nun. There are many such nuances in a Hebrew scroll. Some of them are even traditions. The inverted nuns were one of the first ones I discovered. Through the centuries teachings have developed about these nuances. Too see two such traditions take a look at the video and additional article.