| Count | Prefix |
|---|---|
| 37 | pow- |
| 12 | pow. |
| 1 | pow1 |
| 1 | pow2 |
| 3 | pow3 |
| 1 | pow8 |
| 188 | powa |
| 20 | powb |
| 34 | powc |
| 823 | powd |
| 16,404 | powe |
| 17 | powf |
| 10 | powg |
| 67 | powh |
| 249 | powi |
| 1 | powj |
| 7 | powk |
| 48 | powl |
| 35 | powm |
| 38 | pown |
| 27 | powo |
| 37 | powp |
| 101 | powr |
| 50 | pows |
| 33 | powt |
| 6 | powu |
| 4 | powv |
| 98 | poww |
| 2 | powx |
| 18 | powy |
| 4 | powz |