THE PRE-FIX "KLEEM" ("HRLEKHA) IS IS VERY,VERY SPECIFIC--THE SPECIFICITY NARROWS THE MANTRAM TO ONLY ONE DEITY..
IT NEEDS "INITIATION" BY A GURU.
SO ONE CAN SIMPLY CHANT => "OM AATMANE NAMAHA"
"OM" IS A GENERAL PRE--FIX FOR ALL MANTRAMS.
NAMAHA =MY SALUTATION
AATMANE =TO THE SUPREME BEING WITHIN ME ,IN THE FORM OF MY SOUL.