Shiva Purana
तद्तद्बीजेन संग्रंथीस्तद्तद्बीजेषु भावयेत् ॥ तासां विशोधनार्थाय विद्यां पञ्चाक्षरीं जपेत् ॥ ८ ॥
Then, with the seeds of each of these, one should meditate on the seeds of each of these. To purify these sins, one should chant the five-syllabled mantra.
english translation
tadtadbIjena saMgraMthIstadtadbIjeSu bhAvayet ॥ tAsAM vizodhanArthAya vidyAM paJcAkSarIM japet ॥ 8 ॥
hk transliteration by Sanscript