| 110000 | PHONOLOGICAL LEVEL |
| 110100 | Segmental Features |
| 110101 | Single Sounds |
| 110102 | Contrasting Sounds |
| 110103 | Complementary & Free varying Sounds |
| 110104 | Combined Sounds (Clusters) |
| 110200 | Suprasegmential Features |
| 110201 | Duration |
| 110202 | Accent & Stress |
| 110203 | Juncture |
| 110204 | Aspiration |
| 110205 | Tone & Infonation |
| 110300 | Phonological & Orthographical Correspondences |
| 110301 | Graphemes & Allographs |
| 110302 | Conjunct Letters |
| 110303 | Spelling System |
| 110400 | Sandi & Graphemic Changes |
| 110401 | Consonantal Sounds & Corresponding Gr. Chan. |
| 110402 | Vowel Sounds & Corresponding Gr. Chan. |
| 110500 | Anything not Covered |
| 110600 | General |