| _3 | _4 | _5 | _6 | _7 | _8 | _9 | _10 | _11 | _12 | _13 | Σ | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| b | 1 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
| e | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| i | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 |
| n | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| s | 1 | 2 | 4 | 2 | 0 | 3 | 1 | 0 | 2 | 0 | 0 | 15 |
| t | 4 | 9 | 10 | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 30 |
| u | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| Σ | 6 | 16 | 19 | 7 | 4 | 6 | 1 | 1 | 2 | 0 | 1 | 63 |