What Vietnamese word has three letters but everyone says two?

Think carefully to find out which Vietnamese word has three letters but everyone says two?

There are riddles that seem absurd but are extremely reasonable when you hear the answer. Here is one such question: " What Vietnamese word has three letters but everyone says two?".

What Vietnamese word has three letters but everyone says two?

If you find the answer in the shortest time, scroll down to the comments to record and see how many people think the same as you.

Khanh Son

Source: https://vtcnews.vn/tu-tieng-viet-nao-co-ba-chu-cai-nhung-ai-cung-noi-hai-ar968515.html