| Count | Prefix |
|---|---|
| 122 | smc- |
| 40 | smc. |
| 1 | smc0 |
| 4 | smc1 |
| 21 | smc2 |
| 6 | smc3 |
| 2 | smc4 |
| 1 | smc6 |
| 2 | smc7 |
| 2 | smc9 |
| 99 | smca |
| 21 | smcb |
| 109 | smcc |
| 27 | smcd |
| 40 | smce |
| 42 | smcf |
| 34 | smcg |
| 55 | smch |
| 64 | smci |
| 5 | smcj |
| 16 | smck |
| 75 | smcl |
| 59 | smcm |
| 29 | smcn |
| 134 | smco |
| 63 | smcp |
| 3 | smcq |
| 39 | smcr |
| 72 | smcs |
| 45 | smct |
| 23 | smcu |
| 11 | smcv |
| 14 | smcw |
| 3 | smcx |
| 11 | smcy |
| 1 | smcz |