Listened to SaySomethingIn... Old Course 1, Lesson 2 from saysomethingin.com

How - sut
What - beth
Something - rhywbeth
Nothing - dim byd
Why - pam
Because - achos
Him - fe, e
You're speaking - Ti'n siarad
You're not speaking - Ti ddim yn siarad
Are you speaking? Wyt ti'n siarad?
Yes, I'm speaking - Yndw, dw i'n siarad
No, I'm not speaking - Nac ydw, dw i ddim yn siarad

I just need to bite the bullet and subscribe to practice this every day.