Modifier Tone Letters

Block from U+A700 to U+A71F. This block was introduced in Unicode version 4.1 (2005). It contains 32 codepoints.

The Wikipedia provides the following information on block Modifier Tone Letters:

Modifier Tone Letters is a Unicode block containing tone markings for Chinese, Chinantec, Africanist, and other phonetic transcriptions. It does not contain the standard IPA tone marks, which are found in Spacing Modifier Letters.

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

1. Modifier Letter Chinese Tone Yin Ping
2. Modifier Letter Chinese Tone Yang Ping
3. Modifier Letter Chinese Tone Yin Shang
4. Modifier Letter Chinese Tone Yang Shang
5. Modifier Letter Chinese Tone Yin Qu
6. Modifier Letter Chinese Tone Yang Qu
7. Modifier Letter Chinese Tone Yin Ru
8. Modifier Letter Chinese Tone Yang Ru
9. Modifier Letter Extra-High Dotted Tone Bar
10. Modifier Letter High Dotted Tone Bar
11. Modifier Letter Mid Dotted Tone Bar
12. Modifier Letter Low Dotted Tone Bar
13. Modifier Letter Extra-Low Dotted Tone Bar
14. Modifier Letter Extra-High Dotted Left-Stem Tone Bar
15. Modifier Letter High Dotted Left-Stem Tone Bar
16. Modifier Letter Mid Dotted Left-Stem Tone Bar
17. Modifier Letter Low Dotted Left-Stem Tone Bar
18. Modifier Letter Extra-Low Dotted Left-Stem Tone Bar
19. Modifier Letter Extra-High Left-Stem Tone Bar
20. Modifier Letter High Left-Stem Tone Bar
21. Modifier Letter Mid Left-Stem Tone Bar
22. Modifier Letter Low Left-Stem Tone Bar
23. Modifier Letter Extra-Low Left-Stem Tone Bar
24. Modifier Letter Dot Vertical Bar
25. Modifier Letter Dot Slash
26. Modifier Letter Dot Horizontal Bar
27. Modifier Letter Lower Right Corner Angle
28. Modifier Letter Raised Up Arrow
29. Modifier Letter Raised Down Arrow
30. Modifier Letter Raised Exclamation Mark
31. Modifier Letter Raised Inverted Exclamation Mark
32. Modifier Letter Low Inverted Exclamation Mark