The terms while in the mantra 'sarvalok' could it be to become chanted as the way it is or as sarva loka,by having an a AND 'Vashkari' could it be to be chanted as it is actually or as vashikari,by having an i between. By chanting these potent and efficient https://www.youtube.com/watch?v=qnEcMQtKTvg