Earlier quoted context omitted.
Note that TROOZE and KIBI are not legal words (or existent words), and AA, while derived from a real word, is misspelled.
Aa lava? I always spelled it that way in undergrad. Now I’m curious. I guess one could argue without the accents it’s incorrect. But then we get into the pedantry of how most words are wrong as they’re mostly borrowed and mutate over time. No true Scotsman in the dictionary.
The only native English word with a phonemic glottal stop, uh-uh, includes it in the spelling, for obvious reasons. You could write ah-ah, or a-a, on that model, but this isn't done.