| Tones and vowels | Unicode typing | VIQR typing |
| â | aa | a^ |
| ê | ee | e^ |
| ô | oo | o^ |
| ă | aw | a( |
| ơ | ow | o+ |
| ư | uw | u+ |
| đ | dd | dd |
| Rising tone | s | ' |
| Falling tone | f | ` |
| Drop tone | j | . |
| Curve tone | r | ? |
| Broken tone | x | ~ |
| Example: Tiếng việt |
Example: Tieengs Vieetj |
Example: Tie^'ng Vie^.t |