This property defines the Unicodes which are used for positions after non spacing marks, combining characters, or other control characters
Characters like ̀,́,̂, etc. are listed under Exclamation Sentence Break.
2550 Characters are present in Exclamation Sentence Break starting with the Unicode point U+0300 that represents the character ̀.
Currently, as per latest version 15.0.0, Unicode supports 15 number of Sentence Break. Here are a few examples - Ambiguous terminator,Carriage Return,Close Punctuation, etc.