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