| Count | Prefix |
|---|---|
| 4,777 | s- |
| 32 | s. |
| 179 | s0 |
| 534 | s1 |
| 869 | s2 |
| 590 | s3 |
| 517 | s4 |
| 151 | s5 |
| 207 | s6 |
| 176 | s7 |
| 129 | s8 |
| 139 | s9 |
| 235,017 | sa |
| 10,499 | sb |
| 123,730 | sc |
| 11,262 | sd |
| 224,084 | se |
| 10,445 | sf |
| 6,903 | sg |
| 160,111 | sh |
| 146,790 | si |
| 5,654 | sj |
| 52,220 | sk |
| 33,315 | sl |
| 66,719 | sm |
| 24,917 | sn |
| 175,668 | so |
| 147,025 | sp |
| 7,924 | sq |
| 10,513 | sr |
| 12,769 | ss |
| 296,182 | st |
| 158,967 | su |
| 11,357 | sv |
| 45,103 | sw |
| 1,680 | sx |
| 39,488 | sy |
| 8,312 | sz |