「のうまくさまんだ　ぼだなん　ばいしらまんだや　そわか」

A mantra of Bishamonten which protects the caster from fatigue and calamity, usually used when starting a long or complex invocation.

"noumakusamanda bodanan" = a devotion to the Buddhas/"homage to all the Buddhas".
"Baishiramandaya" = a reverence to Bishamonten, or "hail Bishamonten!"