| Count | Prefix |
|---|---|
| 96 | nv- |
| 24 | nv. |
| 3 | nv0 |
| 12 | nv1 |
| 13 | nv2 |
| 9 | nv3 |
| 7 | nv4 |
| 5 | nv5 |
| 1 | nv6 |
| 9 | nv7 |
| 3 | nv8 |
| 5 | nv9 |
| 231 | nva |
| 130 | nvb |
| 256 | nvc |
| 170 | nvd |
| 194 | nve |
| 71 | nvf |
| 104 | nvg |
| 115 | nvh |
| 450 | nvi |
| 24 | nvj |
| 63 | nvk |
| 117 | nvl |
| 159 | nvm |
| 83 | nvn |
| 133 | nvo |
| 169 | nvp |
| 29 | nvq |
| 171 | nvr |
| 253 | nvs |
| 147 | nvt |
| 37 | nvu |
| 78 | nvv |
| 81 | nvw |
| 18 | nvx |
| 22 | nvy |
| 27 | nvz |