Character amnesia
It is difficult to establish exactly how many different Chinese characters are in use today; the new HSK, a widely used proficiency test for Standard Chinese as a second language, tests over 2,600 different characters, whilst in 1988 the People's Republic of China published the "List of Commonly Used Characters in Modern Chinese" which contains 7,000 different characters. In Japan, where a smaller set of characters are in general usage, the Japanese Ministry of Education prescribes the teaching of 2,136 kanji in primary and secondary school in a list called the jōyō kanji, meaning "regular-use Chinese characters".
Manchu alphabet
The Manchu alphabet was also used to write Chinese. "Manchu: a textbook for reading documents", by Gertraude Roth Li, contains a list comparing a romanization of Chinese syllables written in Manchu compared to Hànyǔ Pīnyīn and Wade–Giles. Using the Manchu script to transliterate Chinese words is a source of loanwords for the Xibe language. Several Chinese-Manchu dictionaries contain Chinese characters transliterated with Manchu script and the Manchu version of the Thousand Character Classic is actually the Manchu transcription of all the Chinese characters. Also existing as a transliteration was the Manchu version of the Hong Loumeng (紅樓夢).