| Domain Prefix |
|---|
| npt0... |
| npt1... |
| npt2... |
| npt3... |
| npt4... |
| npt5... |
| npt6... |
| npt7... |
| npt8... |
| npt9... |
| npta... |
| nptb... |
| nptc... |
| nptd... |
| npte... |
| nptf... |
| nptg... |
| npth... |
| npti... |
| Domain Prefix |
|---|
| nptj... |
| nptk... |
| nptl... |
| nptm... |
| nptn... |
| npto... |
| nptp... |
| nptq... |
| nptr... |
| npts... |
| nptt... |
| nptu... |
| nptv... |
| nptw... |
| nptx... |
| npty... |
| nptz... |
| npt-... |