1 We pronounce each of the double consonants, where a syllable ends and the next syllable starts with  the same letter. 

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2 You may hear many native speakers pronouncing ı's after ğ: sağır /saır/, ağız /aız/, ağır /aır/ etc. It  is perfectly intelligible. It does not change the meaning. Listen and compare: 

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3 Remember that -î is an adjective forming suffix, and adjectives always precede nouns.