a | e | -i | ai | ei | ao | ou | an | en | ang | eng | ong | |
zh | zha | zhe | zhi | zhai | zhei | zhao | zhou | zhan | zhen | zhang | zheng | zhong |
ch | cha | che | chi | chai | chao | chou | chan | chen | chang | cheng | chong | |
sh | sha | she | shi | shai | shei | shao | shou | shan | shen | shang | sheng | |
r | re | ri | rao | rou | ran | ren | rang | reng | rong |