The total number of diphthongs is not established, with bounds at 17 and 31. Several vowel combinations can be considered true monosyllabic diphthongs, made up of the main vowel (the nucleus) and the trailing vowel (the off-glide).
The number of diphthongs is not definitively known, with possible counts between 17 and 31. Some vowel pairs can be classified as true monosyllabic diphthongs, comprising the primary vowel (nucleus) and the trailing vowel (off-glide).