| Count | Prefix |
|---|---|
| 250 | mh- |
| 19 | mh. |
| 7 | mh0 |
| 26 | mh1 |
| 28 | mh2 |
| 27 | mh3 |
| 18 | mh4 |
| 2 | mh5 |
| 5 | mh6 |
| 4 | mh7 |
| 5 | mh8 |
| 2 | mh9 |
| 693 | mha |
| 162 | mhb |
| 465 | mhc |
| 183 | mhd |
| 396 | mhe |
| 144 | mhf |
| 135 | mhg |
| 108 | mhh |
| 297 | mhi |
| 52 | mhj |
| 107 | mhk |
| 200 | mhl |
| 278 | mhm |
| 86 | mhn |
| 333 | mho |
| 283 | mhp |
| 24 | mhq |
| 218 | mhr |
| 537 | mhs |
| 187 | mht |
| 132 | mhu |
| 67 | mhv |
| 120 | mhw |
| 23 | mhx |
| 47 | mhy |
| 71 | mhz |