| Count | Prefix |
|---|---|
| 1,782 | o- |
| 17 | o. |
| 90 | o0 |
| 127 | o1 |
| 943 | o2 |
| 195 | o3 |
| 108 | o4 |
| 53 | o5 |
| 39 | o6 |
| 43 | o7 |
| 46 | o8 |
| 39 | o9 |
| 11,617 | oa |
| 15,836 | ob |
| 21,594 | oc |
| 9,732 | od |
| 5,139 | oe |
| 20,180 | of |
| 4,567 | og |
| 10,947 | oh |
| 6,048 | oi |
| 1,423 | oj |
| 15,509 | ok |
| 30,347 | ol |
| 19,266 | om |
| 74,027 | on |
| 4,642 | oo |
| 46,335 | op |
| 366 | oq |
| 58,813 | or |
| 19,968 | os |
| 13,664 | ot |
| 29,495 | ou |
| 9,920 | ov |
| 6,001 | ow |
| 6,618 | ox |
| 2,170 | oy |
| 7,076 | oz |