| Count | Prefix |
|---|---|
| 33 | zg- |
| 8 | zg. |
| 2 | zg0 |
| 16 | zg1 |
| 4 | zg2 |
| 3 | zg3 |
| 1 | zg4 |
| 3 | zg5 |
| 2 | zg6 |
| 4 | zg7 |
| 3 | zg8 |
| 3 | zg9 |
| 108 | zga |
| 44 | zgb |
| 87 | zgc |
| 54 | zgd |
| 46 | zge |
| 42 | zgf |
| 49 | zgg |
| 69 | zgh |
| 50 | zgi |
| 63 | zgj |
| 31 | zgk |
| 81 | zgl |
| 67 | zgm |
| 40 | zgn |
| 70 | zgo |
| 42 | zgp |
| 25 | zgq |
| 118 | zgr |
| 99 | zgs |
| 60 | zgt |
| 26 | zgu |
| 10 | zgv |
| 47 | zgw |
| 55 | zgx |
| 56 | zgy |
| 59 | zgz |