Talk:Monophthong
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Tetraphthongs[edit]
Should there be a Wikipedia article Tetraphthong?
From Gottscheerish#Vowels:
- Tetraphthongs: i̯oai, i̯uai, i̯oːai, i̯uːai — Preceding unsigned comment added by 142.58.132.174 (talk) 03:35, 17 January 2020 (UTC)