| Count | Prefix |
|---|---|
| 148 | mts- |
| 43 | mts. |
| 1 | mts0 |
| 3 | mts1 |
| 5 | mts2 |
| 6 | mts3 |
| 2 | mts4 |
| 5 | mts6 |
| 84 | mtsa |
| 24 | mtsb |
| 75 | mtsc |
| 28 | mtsd |
| 61 | mtse |
| 12 | mtsf |
| 22 | mtsg |
| 77 | mtsh |
| 101 | mtsi |
| 8 | mtsj |
| 15 | mtsk |
| 23 | mtsl |
| 39 | mtsm |
| 40 | mtsn |
| 49 | mtso |
| 68 | mtsp |
| 3 | mtsq |
| 13 | mtsr |
| 59 | mtss |
| 113 | mtst |
| 39 | mtsu |
| 8 | mtsv |
| 9 | mtsw |
| 19 | mtsy |
| 4 | mtsz |