Each applied-for primary string, along with all of its allocatable and blocked variant strings, is compared against:
- Existing delegated gTLDs and their variant strings.
- Applied-for gTLD strings from the current application round and previous rounds that are still in the process, and their variant strings.
- Existing successfully evaluated or delegated ccTLDs and their variant strings.
- Strings requested as IDN ccTLDs.
- Certain Blocked Names and their variant strings.
- All two-character ASCII strings and their variant strings.