Mian phonology

Vowels
Mian has 6 vowels, including the pharyngealized open front vowel.

And 4 diphthongs:

/ɛ/ is realized as [ə] in word-initial low-tone syllables, [ɛ] elsewhere.

/a/ is realized as [ɐ] in unaccented syllables, [ə] in word-initial low-tone syllables beginning with a consonant, [a] elsewhere.

/o/ is realized as [ɔ] in word-initial low-tone syllables and in syllables ending in a voiceless plosive or [ŋ], [o] elsewhere.

/u/ is realized as [ʊ] in word-initial low-tone syllables, [u] elsewhere.

Consonants
Mian has 15 consonants:

is realized as word-initially,  or [p̚] syllable-finally, [b] elsewhere.
 * Examples: banǒn [ᵐbànǒn] lower arm, mǎab [mǎˤːp̚] frog, teběl [tʰɛ̀bɛ̌l] ant

/t/ is realized as [tʰ] before vowels, [tʰ] or [t̚] syllable-finally.
 * Examples: tam [tʰàm] temple, mát [mát̚] gall bladder

/k/ is realized as [kʰ] before vowels, [kʰ] or [k̚] syllable-finally, sometimes [x] between vowels, [qʰ] before [aˤ].
 * Examples: kemin [kʰèmìn] to do, manggěk [màŋgɛ̌k̚] bee, okok [òxòk̚] work, kaawá [qʰàˤwá] steel axe

/ɡ/ is realized as [ᵑɡ] word-initially, [ɡ] elsewhere.
 * Examples: gát [ᵑɡát̚] mole, manggěk [màŋɡɛ̌k̚] bee

/ɡʷ/ is realized as [ᵑɡʷ] word-initially, [ɡʷ] elsewhere.
 * Examples: gwaán [ᵑɡʷàán] spider, gwalgwal [ᵑɡʷàlɡʷàl] twins

Tones
Mian has 5 tonemes:

The tones of Mian are very complex, as they are subject to various phonological processes, and furthermore, they can be used for indicating various grammatical aspects, especially in connection with verbs, where the tones are crucial for understanding.

Consider the two verb forms below, being non-hodiernal and imperfective respectively:
 * dolâbībe [dòlábíbè] I wrote
 * dolâbibe [dòlábìbè] I am writing