Where can one find other mnemonics similar to 横戌点戍空心戊 and 已半, 巳满, 不出己 ?
Also, what in your opinion are the most common, useful or interesting such mnemonics? What is the term for such mnemonics in 普通话?
Also related, riddles ( 猜字谜) like 一口咬掉牛尾巴 （打一字）. Which are your favourite such riddles?
Edit (2018-08-31) I would be particularly interested in mnemonics used in Chinese schools. Are these called 口诀 or 字诀? Here's another one I just remembered:
j, q, x