
Ok, see these 2 sentences:
It is over /ɪdɪzoʊ.vɚ/ but
It's over /ɪtsoʊ.vɚ/. 's will be pronounced as /s/ because it stands after a voiceless consonant
He's over sixty /hizoʊ.vɚsɪk.sti/. 's will be pronounced as /z/ because it stands after a voiced consonant
However, I feel that seem people ...