Semi-glide vowels, initial narrow sound discourages shouting, good for vowel tuning.

Open vowel transition, encourages tuning between open vowels.

Light to hard back vowels transition, helps find balance.

Medium consonant, balances resonance.

Middle vowel, encourages mix.

Full vowel spectrum.

Medium consonant, balances resonance.

Middle vowel, encourages mix.

Light back vowel, tongue sits back.

Hard consonant, helps hold back folds, calibrates a less breathy sound.

Closed vowel, drops first formant, discourage chest voice.

Light forward vowel, tongue sits back.

Hard consonant, helps hold back folds, calibrates a less breathy sound.

Wide vowel, raise first formant, encourage chest voice.

Light forward vowel, tongue sits back.

Soft consonant, discourages squeezing, encourages airflow.

Closed vowel, drops first formant, discourage chest voice.

Hard back vowel, tongue sits very far forward.

Soft consonant, discourages squeezing, encourages airflow.

Closed vowel, drops first formant, discourage chest voice.

Very light forward vowel, tongue sits very far back.