How to pronounce “sixes” in English

I think it still be dark outside, like early in the sixes and he gets up and he dresses real fast, he might forget to brush his teeth, brush his hair, but he's gonna get on YouTube

On the long term, you should see as many ones and twos and threes as fours and fives and sixes.

And Anil walked down and said a few things to you, and then you seemed to settle down, and you hit a few sixes.

Well, I wanted to be the first person to solo The Linkup, the two grade sixes in the valley.

Robbins, if you know those names, up the first grade sixes ever done in the valley without pitons.