Small Question Regarding Phonetically Correct Names

[Stefanii]

Kaltxì!

As a writer, I have been trying to create a unique name for a female Na'vi character in the fanfiction I am writing.  I decided on using a name I created a while ago and did not end up using:  Solkarii.  To make it phonetically correct, I believe it would have to change to Sollkxarri.  I'm still just beginning to grasp the Na'vi language however, and would love a second opinion.

Irayo!

[omängum fra'uti]

I don't think "Grammatical" is the word you're looking for.  Phonetically, the name looks fine, except that the ii at the end would just be i.  You don't find doubled up vowels in Na'vi.  The ll and rr sounds exist as psuedovowels, but only after consonants, but l and r alone are fine as consonants.

[kewnya txamew'itan]

Sollkxarri

5 syllables! That's quite a mouthful.

solkxari is only three syllables so is more manageable (and fits better with the examples we have which are generally 2 or 3 syllables) and is still phonetically legal.

[Stefanii]

Thank you both very much!    I also changed the title to be more accurate.  Sorry for any confusion caused.