BWAY-nas NOH-chays
Here's a breakdown:
* BWAY: The "b" is pronounced like the "b" in "boy".
* nas: The "n" is pronounced like the "n" in "night".
* NOH: The "o" is pronounced like the "o" in "go".
* chays: The "ch" is pronounced like the "ch" in "chair".
It's important to remember that the "s" at the end of "buenas" is silent.