The terms in the mantra 'sarvalok' could it be to be chanted as how it is or as sarva loka,using an a AND 'Vashkari' can it be to get chanted as it is or as vashikari,using an i between. Read about all these mantras under this classification and choose one https://www.youtube.com/watch?v=qnEcMQtKTvg