The letters 's' and 'p' written on the left side of the image are likely separate characters, possibly part of a word or notation. The letters 'L', 'T', 'I', 'E' written on the top side of the image appear to be stylized or pixelated letters, forming the word "LITE" or a similar combination. Without further context or a clearer image, it is difficult to definitively determine their exact meaning or purpose.