how to pronounce s and z in english

2:57

10:20

17:45

1:57

13:35

7:49

5:09

15:25

2:59

1:46

7:51

13:42

4:25

14:41

2:14

12:25

6:49

9:23

1:15:43

11:31

3:20

00:12

11:26

2:52

10:31

35:27

11:01

1:19

26:42

34:19

1:02

3:43

16:41

14:13

9:03

3:12

4:33

5:10

15:19

6:32

23:10

00:34

4:33

6:05

8:21

6:34

1:34:01

1:50

3:04

00:28

24:29

00:11

18:20

1:02:42

00:32

4:20

5:28

00:16

6:18

21:13