How to write a Saudi domain name under (.sa)?

A typical .sa domain name consists of two or three parts (labels) separated by (.) and looks like:

<your-domain>.sa
or
<your-domain>.<sub-level>.sa

Where <sub-level> can be one of the 2nd level top domains, such as: .com.sa, net.sa, org.sa, edu.sa, gov.sa, ..etc. A label can contain any combination of letters (a-z), numbers (0-9), and a hyphen (-). It’s length between 2 and 63 characters long.