The “は ha” at the end of a word (particle) becomes “wa“. We unconsciously read them differently, but if we dare to explain it in a sentence, it would be like this.
こんにちは
kon ni chi wa
Hello.
わたし
私 は
watashiwa
I am
All of these words are pronounced “wa” even though they use the hiragana “ha“.
It is used to connect words before and after.
In short, the particle “ha” is pronounced as “wa“, but when written, it is written as “は ha“.
2 When Pronounce “へ he” as “え e“.
へ he and は ha after the noun are pronounced “e “and “wa.”