/-{-{bíkǒngr}-}-/, /-{-{bíkǒng}-}-/, /pei̯²² hʊŋ³⁵/, /bei6 hung2/, /bei6 hung2/, /byikoong/, /byikoongl/, /béi6 hung2/, /bíkǒng/, /bíkǒngr/、/ㄅㄧˊ ㄎㄨㄥˇ/、/ㄅㄧˊ ㄎㄨㄥˇㄦ/
鼻腔與外界，或與內部相通的開口