LATIN SMALL LETTER OPEN O - COMBINING DOWN TACK BELOW
| advanced tongue root | - |
| anterior | 0 |
| approximant | + |
| back | + |
| click | 0 |
| consonantal | - |
| constricted glottis | - |
| continuant | + |
| coronal | - |
| delayed release | 0 |
| distributed | 0 |
| dorsal | + |
| epilaryngeal source | - |
| fortis | 0 |
| front | - |
| high | - |
| labial | + |
| labiodental | - |
| lateral | - |
| long | - |
| low | 0 |
| lowered larynx implosive | - |
| nasal | - |
| periodic glottal source | + |
| raised larynx ejective | - |
| retracted tongue root | - |
| round | + |
| short | - |
| sonorant | + |
| spread glottis | - |
| stress | - |
| strident | 0 |
| syllabic | + |
| tap | - |
| tense | - |
| tone | 0 |
| trill | - |
