excel merge two columns together

5:36

4:22

4:53

5:03

10:32

2:34

1:45

2:01

5:10

4:44

19:09

37:40

5:42

کوتاه

39:22

1:42

20:29

2:54

5:48

4:49

7:38

7:56

1:40

کوتاه

6:19

4:33

5:37

4:39

8:33

6:38

7:54

7:03

2:42

14:05

4:36

4:12

3:18

2:59

4:53

9:07