Pronunciation of plural endings

1.

[IZ]
plates
Polyakova Olga
buses

2.

[IZ]
boxes
names

3.

[IZ]
planes
dishes

4.

[IZ]
matches
trees

5.

[IZ]
dolls
roses

6.

[Z]
doors
cups

7.

[Z]
dogs
ships

8.

[Z]
maps
stars

9.

[Z]
games
hats

10.

[S]
foxes
desks

11.

[S]
books
bells

12.

[S]
birds
lamps

13.

[S]
cats
bags