How many pronunciations are there? Which words can be grouped?

How many pronunciations are there? Which words can be grouped?


Three voices in three years and five years
Song and dance



There are several kinds of pronunciations for Qiang


Strong
Strong in the outside and strong in the middle
Qi Ying
Stubborn



There must be several pronunciations. How to make words


1. D é to. Loss. Benefit. Emptiness. Convenience. Strength. Economy
2. Attention
3. It's fast. It's fast