BLUE button
Blue inserts a '-' in between each letter in the domain name. The '-' is the only non alphanumeric character allowed in a domain name.
GREEN button
Green replaces all the vowels in the domain name with a number:
Letter | Number |
A | 4 |
E | 3 |
I | 1 |
O | 0 |
U | 6 |
RED button
Start with the odd numbered letters first then the even numbered letters.
YELLOW button
Start with the first letter then repeatedly swap the next 2 letters around.