Gwoyeu Romatzyh
These finals are both written as "-ih" in Tongyòng Pinyin, as "-i" in Hànyǔ Pīnyīn (hence distinguishable only by the initial from as in "li"), and as "-y" in Gwoyeu Romatzyh and Simplified Wade. They are typically omitted in Zhùyīn (Bōpōmōfō).