No more than two vowels can appear in a row.
Each of the three vowels can be doubled:
ii uu aa
Every combination of two different vowels can appear:
iu ia ui ua ai au
Note that some of these sequences of two vowels are already words:
Distinguishing between a single vowel and a group of two vowels is essential in order to differentiate between words.
- inurqituq ≠ inurqiituq.