7. Hiragana as particles は、へ、を pronunciations
– Introducing Japanese Particles.

e.g.
When Hiragana used as a particle, its sound is different from the letter which used in a sentence.
e.g. へ is “e” when used as a direction marker,
“えきへ いきます。” eki e ikimasu. ~ I’m going to the station.
へや: he ya : room

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