my pronunciation for the mantra is this
om bo luo mo ning tuo ning soha
btw, just read ur siggy,
after u finished 1k 6 syllable mantra, u might consider continue
chanting up to 2k, then 5k, then 10k, 20k, 50k, 100k .. 1 million
or more
pardon me for being frank, but 1k is definitely not enough.