བློས་མི་དཔོག་པ་རྣམས་རང་སོར་བཞག །
For those mantras that were not included in those compendiums, when they were in a language we could not definitively identify as Sanskrit, then we used whichever version was most common, whether it was in a language such as Drāviḍa, Paiśāca, Apabhraṃśa, secret symbolic language, or others.
Mantras, Deities, Translation