perspective , passion, plus, play, punctual, pass, photo，等等！记单词可以根据发音记！这是最简单的！
p pa po pai pao pou pan pen pei pang peng pi pie piao pian pin ping pu m ma mo me mai mao mou man men mei mang meng mi mie miao miu mian min ming mu f fa fo fei fou fan fen fang feng fu d da de dai dei dao dou dan dang den deng di die diao diu dian ding dong du ...