Naawatl

Setting
Naawatl, or in the native Latin orthography, Nāwatl, is the modern decendant of Classical Nahuatl

Alphabet
The alphabet used for writing Nāwatl is relatively simple. It has 21 letters, precisely transcribing all the sounds of Nāwatl. The alphabet is:

Aa, Āā, Pp, Cc, Kk, Ee, Ēē, Kw kw, Ss, Xx, Ii, Īī, Mm, Nn, Tl tl, Ll, Oo, Ōō, Yy, Ww, Hh

Phonotactics
The phonotactics of Nāwatl are very simple. The general morpheme structure can be summed up as:

But there are some illegal combinations, such as:

or:

or even: