| Count | Prefix |
|---|---|
| 1,889 | o- |
| 21 | o. |
| 93 | o0 |
| 137 | o1 |
| 994 | o2 |
| 217 | o3 |
| 120 | o4 |
| 56 | o5 |
| 44 | o6 |
| 47 | o7 |
| 50 | o8 |
| 40 | o9 |
| 12,258 | oa |
| 16,724 | ob |
| 22,777 | oc |
| 10,327 | od |
| 5,480 | oe |
| 21,419 | of |
| 4,874 | og |
| 11,338 | oh |
| 6,378 | oi |
| 1,477 | oj |
| 16,285 | ok |
| 31,667 | ol |
| 20,694 | om |
| 77,223 | on |
| 5,044 | oo |
| 49,753 | op |
| 390 | oq |
| 62,071 | or |
| 21,258 | os |
| 14,520 | ot |
| 30,413 | ou |
| 10,540 | ov |
| 6,318 | ow |
| 6,937 | ox |
| 2,265 | oy |
| 7,483 | oz |