yán / jiū / sān / shí / liù / zì / mǔ / yǒu / zhù / yú / liǎo / jiě / hàn / yǔ / shēng / yùn / de / lì / shǐ / biàn / huà研究三十六字母有助于了解汉语声韵的历史变化。Studying the thirty-six initial consonants helps explain historical changes in Chinese phonology.