| Consonants | Transcription | Unicode Name |
| ្ក | k | KHMER SIGN COENG + KHMER LETTER KA |
| ្ខ | kh | KHMER SIGN COENG + KHMER LETTER KHA |
| ្គ | k | KHMER SIGN COENG + KHMER LETTER KO |
| ្ឃ | kh | KHMER SIGN COENG + KHMER LETTER KHO |
| ្ង | ng | KHMER SIGN COENG + KHMER LETTER NGO |
| ្ច | ch | KHMER SIGN COENG + KHMER LETTER CA |
| ្ឆ | chh | KHMER SIGN COENG + KHMER LETTER CHA |
| ្ជ | ch | KHMER SIGN COENG + KHMER LETTER CO |
| ្ឈ | chh | KHMER SIGN COENG + KHMER LETTER CHO |
| ្ញ | | KHMER SIGN COENG + KHMER LETTER NYO |
| ្ដ | d | KHMER SIGN COENG + KHMER LETTER DA |
| ្ឋ | th | KHMER SIGN COENG + KHMER LETTER TTHA |
| ្ឌ | d | KHMER SIGN COENG + KHMER LETTER DO |
| ្ឍ | th | KHMER SIGN COENG + KHMER LETTER TTHO |
| ្ណ | n | KHMER SIGN COENG + KHMER LETTER NNO |
| ្ត | t | KHMER SIGN COENG + KHMER LETTER TA |
| ្ថ | th | KHMER SIGN COENG + KHMER LETTER THA |
| ្ទ | t | KHMER SIGN COENG + KHMER LETTER TO |
| ្ធ | th | KHMER SIGN COENG + KHMER LETTER THO |
| ្ន | n | KHMER SIGN COENG + KHMER LETTER NO |
| ្ប | b, p | KHMER SIGN COENG + KHMER LETTER BA |
| ្ផ | ph | KHMER SIGN COENG + KHMER LETTER PHA |
| ្ព | p | KHMER SIGN COENG + KHMER LETTER PO |
| ្ភ | ph | KHMER SIGN COENG + KHMER LETTER PHO |
| ្ម | m | KHMER SIGN COENG + KHMER LETTER MO |
| ្យ | y | KHMER SIGN COENG + KHMER LETTER YO |
| ្រ | r | KHMER SIGN COENG + KHMER LETTER RO |
| ្ល | l | KHMER SIGN COENG + KHMER LETTER LO |
| ្វ | v | KHMER SIGN COENG + KHMER LETTER VO |
| ្ស | s | KHMER SIGN COENG + KHMER LETTER SA |
| ្ឝ | obsolete | KHMER SIGN COENG + KHMER LETTER SHA |
| ្ឞ | obsolete | KHMER SIGN COENG + KHMER LETTER SSO |
| ្ហ | h | KHMER SIGN COENG + KHMER LETTER HA |
| (n/a) | l | There is no subscript for the KHMER LETTER LA |
| ្អ | (glottal) | KHMER SIGN COENG + KHMER LETTER QA |
| Vowels | Equivalent | Transcription | Unicode Name |
| ឥ | អិ | ĕ | KHMER INDEPENDENT VOWEL QI |
| ឦ | អី | ei | KHMER INDEPENDENT VOWEL QII |
| ឧ | អុ | ŏ | KHMER INDEPENDENT VOWEL QU |
| ឨ | អ៊ុ | ŭ | KHMER INDEPENDENT VOWEL QUK |
| ឪ | អូវ | ov | KHMER INDEPENDENT VOWEL QUUV |
| ឩ | អូ | o | KHMER INDEPENDENT VOWEL QUU |
| ឯ | អេ, អែ | , | KHMER INDEPENDENT VOWEL QE |
| ឰ | អៃ | ai | KHMER INDEPENDENT VOWEL QAI |
| ឱ or ឲ | អោ | oŭ | KHMER INDEPENDENT VOWEL QOO |
| ឳ | អៅ | au | KHMER INDEPENDENT VOWEL QAU |