hi there if someone could help and tell me what these are it would be great and very helpful

1.) small oval white pill on one side of it has a letter G and on the other side it has cm on one side in the middle is a slit and on the other side shows a number 20

2.)medium size pill circle with APO 150 and blank on the other side

3.)very tiny pill white on one side has a number 1 and on the other side it shows a letter m or w one of the two.

4.)white oval fair size pill on one side it shows 500 and on the other it says APO

If someone could help me out that would be great

Jennifer finbow