| Count | Prefix |
|---|---|
| 51 | ug- |
| 17 | ug. |
| 6 | ug0 |
| 25 | ug1 |
| 12 | ug2 |
| 8 | ug3 |
| 1 | ug4 |
| 2 | ug5 |
| 2 | ug6 |
| 1 | ug7 |
| 14 | ug8 |
| 2 | ug9 |
| 535 | uga |
| 51 | ugb |
| 146 | ugc |
| 44 | ugd |
| 214 | uge |
| 40 | ugf |
| 196 | ugg |
| 52 | ugh |
| 164 | ugi |
| 8 | ugj |
| 29 | ugk |
| 838 | ugl |
| 92 | ugm |
| 66 | ugn |
| 509 | ugo |
| 60 | ugp |
| 5 | ugq |
| 204 | ugr |
| 133 | ugs |
| 114 | ugt |
| 277 | ugu |
| 22 | ugv |
| 45 | ugw |
| 8 | ugx |
| 42 | ugy |
| 12 | ugz |