Random triples
| Subject | Object |
|---|---|
| gptkb:Proto-Algonquian | yes |
| gptkb:Proto-Tai | final consonants |
| gptkb:Proto-Tai | vowel system |
| gptkb:Proto-Tai | tonal system |
| gptkb:Proto-Tai | initial consonant clusters |
| gptkb:Proto-Tungusic | vowel harmony |
| gptkb:Proto-Tungusic | consonant system |
| gptkb:Proto-Kra–Dai | yes |
| gptkb:Proto-Saamic | yes |
| gptkb:Proto-Indo-Iranian | yes |