first note of the pentatonic scale, roughly corresponding to 'do' in the Western solfège system

the second note of the pentatonic scale, equivalent to "re" in solfège

(bound form) third note of the traditional Chinese pentatonic scale, roughly corresponding to 'mi' in the solfège system

The fourth note in the traditional Chinese five-tone scale, roughly corresponding to 'sol' in Western music.

the fifth note in the traditional Chinese pentatonic scale, corresponding to "la" in solfège