| BTS Grammar Rules / System of Transliteration | |
The following list shows the convention-variant used in the BTS:
| BTS var.: | Comparison / Identification: |
| j | j, i, ı͗ : Strong radical ( also used for nisba-endings in dual-endings) |
| i̯ | j (weak) |
| y | jj, sometimes j : duplicate M17 |
| u̯ | w (weak) |
| s | ś |
| z | s |
| q | ḳ |
| ṯ | č |
| d | ṭ |
| ḏ | č̣ |