I have a book (It is my book) - My /maɪ/

You have a book (It is your book) - Your /yʊər/

He has a book (It is his book) - His /hɪz/

She has a book (It is her book) - Her /hɜr/

We have a book (It is our book) - Our /aʊər/

They have a book (It is their book) - Their /ðɛər/