Here's a breakdown:
* RISH: The "R" is pronounced like the "R" in "rock." The "ISH" sounds similar to the "ish" in "fish."
* uh: The final "a" sounds like the "a" in "about."
It's important to note that pronunciations can vary depending on the specific region and individual speaker. However, "RISH-uh" is the most common pronunciation.