| Count | Prefix |
|---|---|
| 431 | ak- |
| 21 | ak. |
| 5 | ak0 |
| 29 | ak1 |
| 25 | ak2 |
| 12 | ak3 |
| 51 | ak4 |
| 12 | ak5 |
| 7 | ak6 |
| 17 | ak7 |
| 16 | ak8 |
| 16 | ak9 |
| 3,809 | aka |
| 520 | akb |
| 711 | akc |
| 352 | akd |
| 1,070 | ake |
| 203 | akf |
| 257 | akg |
| 628 | akh |
| 2,789 | aki |
| 84 | akj |
| 780 | akk |
| 311 | akl |
| 445 | akm |
| 227 | akn |
| 889 | ako |
| 312 | akp |
| 43 | akq |
| 1,196 | akr |
| 1,455 | aks |
| 2,185 | akt |
| 1,027 | aku |
| 353 | akv |
| 263 | akw |
| 31 | akx |
| 174 | aky |
| 151 | akz |