"Hello, maternal grandpa."

Translation: Yáʼátʼééh shicheii.

[cjacobson26]

I wrote ya'at'eeh correctly as above, and it said I have a typo

[Rosh_win26]

Looks like you missed your accents Jacob. And the apostrophes are not the normal ones, they are some different type of stuff. Even I don't have it in my keyboard. Someone please let me know how to insert it in an android keyboard. Thank you :)

[RanggaWask]

Yeah, even Gboard Navajo doesn't have the
Navajo's aposteophes