The basic words are:
I’m sorry
Please forgive me
I love you
Thank you
I do a dialogue with each phrase and sometimes use tapping as well. For example:
Balancing your body's energy, Tapping with EFT, Ho’oponopono, Return to sender
https://www.youtube.com/watch?v=gF0tGNVUVqk&feature=youtube_gdata
Will try a new technique to help you to stop beating yourself up?