Ā / hōng / shì / Fó / jiào / fàn / yǔ / zhòu / yǔ / de / kāi / tóu / hé / jié / wěi / liǎng / gè / yīn / jié阿吽是佛教梵语咒语的开头和结尾两个音节。A-un are the opening and closing syllables of Buddhist Sanskrit mantras.