Mngwan Jui

Consonants
The only possible consonant cluster is /mŋ/. The glottal stop / ʔ/  is a feature of the tone system.

Dipthongs
There are three classes of dipthongs with base vowels/semivowels /i/, /j/, and /w/. The vowel /i/ cannot be attached to any of these bases.

Tripthongs
The possible tripthongs can be constructed from three base vowels/semivowels, /æ/, /j/, and /w/. The tripthongs with base /æ/ are constrained to either /j/ or /w/ for the second sound, and can use any vowel for the third sound. The tripthongs with base /j/ or /w/ can use any vowel for the second sound and are constrained to use the vowel /u/ for the third sound. When the second sound is also a /u/, it becomes a long vowel.

Phonotactics
The syllable structure of Mngwan Jui is CV(n). C is any consonant or consonant cluster, and V is any vowel or dipthong/tripthong. The optional n is any nasal or accepted stop. The possible consonants for n are /ɳ/, /ŋ/, /m/, /p/, /k/, /ʈ/, and /ɖ/. All stops are aspirated when final.

Tones
There are eight tones in Mngwan Jui, with three flat tones and five contour tones. The tones shall be described with a lowest to highest pitch scale from one to five. In the romanization the tones are marked with the corresponding number, and in the IPA transcription they are marked with a superscript pitch scale. The broken rising tone is characterized by a glottal stop after the rise, and then a flat high tone. The glottal stop usually comes between the base and the rest of the dipthong/tripthong, or duplicates the vowel; e.g. /e/ becomes /eʔe/ with the second e having the high tone. The extra high tone is any pitch higher than the 5 of the high tone.

The contour tones have opposite pairings which are used in declensions and conjugations.

Word Order
The canon word order for Mngwan Jui is Subject Object Verb. The word order of the Subject and Object is flexible because of the accompanying case particles. To change the voice to passive, one must place the object in front of the subject, thereby changing the word order to Object Subject Verb.

Nouns
zhap3, the root word for stick and juit2 the root word for leaf shall be used to illustrate the declension of nouns. The number suffixes have no defined vowel or tone, so they borrow from the word they modify. If a tone is contoured, it is reflected in the opposite contour. If the vowel borrowed is a dipthong/tripthong, only the base sound will be borowed. For compound words the first word is borrowed from.

Particles
The particles in Mngwan Jui express case or mood, and are attached after the word for case or attached to the end of the phrase for mood. Some case particles require the attached word to be in a specific position in the sentence.