It is not like ‘H’ in the word “Have” in those words you quoted.
– There, the letter in front of the “H” must be emphasized.
– The audio files for those words are at “Pāli Glossary – (A-K)” and “Pāli Glossary – (L-Z)”
However, if the letter “H” is at the beginning of a Pali word, it is pronounced as in the word “Have.”