Combining Half Marks

Block from U+FE20 to U+FE2F. This block was introduced in Unicode version 1.1 (1993). It contains 16 codepoints.

The Wikipedia provides the following information on block Combining Half Marks:

Combining Half Marks is a Unicode block containing diacritical combining characters for spanning multiple characters.

Chart at Unicode.org (PDF)
Block at Decode Unicode

1. Combining Ligature Left Half
2. Combining Ligature Right Half
3. Combining Double Tilde Left Half
4. Combining Double Tilde Right Half
5. Combining Macron Left Half
6. Combining Macron Right Half
7. Combining Conjoining Macron
8. Combining Ligature Left Half Below
9. Combining Ligature Right Half Below
10. Combining Tilde Left Half Below
11. Combining Tilde Right Half Below
12. Combining Macron Left Half Below
13. Combining Macron Right Half Below
14. Combining Conjoining Macron Below
15. Combining Cyrillic Titlo Left Half
16. Combining Cyrillic Titlo Right Half