| Count | Prefix |
|---|---|
| 140 | wt- |
| 14 | wt. |
| 5 | wt0 |
| 14 | wt1 |
| 12 | wt2 |
| 6 | wt3 |
| 5 | wt4 |
| 8 | wt5 |
| 2 | wt6 |
| 1 | wt7 |
| 5 | wt8 |
| 2 | wt9 |
| 235 | wta |
| 151 | wtb |
| 611 | wtc |
| 80 | wtd |
| 177 | wte |
| 352 | wtf |
| 128 | wtg |
| 170 | wth |
| 150 | wti |
| 42 | wtj |
| 63 | wtk |
| 118 | wtl |
| 166 | wtm |
| 97 | wtn |
| 246 | wto |
| 160 | wtp |
| 9 | wtq |
| 230 | wtr |
| 311 | wts |
| 118 | wtt |
| 71 | wtu |
| 107 | wtv |
| 151 | wtw |
| 45 | wtx |
| 30 | wty |
| 32 | wtz |