摩訶止觀 8.93

8.93

二、用氣治者，謂：吹、呼、𡁱、呵、噓、𡀗，皆於脣吻吐納，轉側牙舌，徐詳運心，帶想作氣。

Second, treatment using therapeutic vocalizations refers to: chui, hu, xi, he, xu, and si. These are all expelled and drawn in through the lips, turning and tilting the teeth and tongue, gently and meticulously directing the mind, and producing the breaths accompanied by visualization.