Namo yaro Vs namo karo


In first line of namokamantra mahima lines, the words are “eso pancha namo YARO”. But if find many places on net and many people too that say KARO instead of YARO. does anyone know the actual source of that difference?


‘कारो’ शब्द श्वेताम्बर में होता है।
‘यारो’ शब्द दिगम्बर में होता है।