This is not a good naming convention, we would need to see the images of each to determine what they could be in some cases.
Tifa_Body_D.dds - This could be Diffuse or Displacement.
Tifa_Body_D.png - This could be Diffuse or Displacement.
Tifa_Body_L.png - This could be Luminance.
Tifa_Body_M.png - This could be Metallic.
Tifa_Body_R.png - This could be Reflection or Refraction (most likely the former).
Tifa_Body_P.png - Not sure, would need to see the image.
Tifa_Eye_NG.png - Not sure, would need to see the image.
Tifa_Hair_BS.png - Not sure, would need to see the image.
Tifa_Hair_NB.png - Not sure, would need to see the image.