5 - hei

ה

‬ה is pronounced /h/:

הוא    (he)
מהר    (fast)

At the end of a word, ‬ה generally functions as the vowel /a/ or /e/.

כיתָה    (class)
מורֶה    (teacher)

When ‬ה is at the end of a word and it is pronounced /a/, it is a typical feminine suffix:

מורָה    (teacher f.i)i

The one letter particle ‬ה /ha/ means "the". It is affixed to the subsequent word.

הבית    (the house)

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