genitive of birimleri, the third-person plural possessive of birim (of their unit) / genitive of birimlerin, the second-person singular possessive of birimler, the plural of birim (of your units) / genitive of birimleri, the third-person singular possessive of birimler, the plural of birim (of his (her) units) / genitive of birimleri, the third-person plural possessive of birimler, the plural of birim (of their units)