Formal:
* Sut mae? (pronounced "soot my") - This is the most common and formal way to ask "how are you?"
* Sut ydych chi? (pronounced "soot oo-dookh kee") - This is a slightly more formal version of "how are you?"
Informal:
* Sut wyt ti? (pronounced "soot oo-eet tee") - This is a more informal way to ask "how are you?" and is used when speaking to someone you know well.
* Sut wyt? (pronounced "soot oo-eet") - This is even more informal and is often used between friends and family members.
To ask about someone's health:
* Sut mae eich iechyd? (pronounced "soot my aikh yek-hudd") - This translates to "how is your health?" and is a polite way to ask about someone's well-being.
The best way to choose the appropriate phrase depends on the context and the person you are speaking to.