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Combined Techniques of Hill Cipher and Transposition Cipher
Journal of Mathematics Letters
| Vol 1, Issue 1
Table 1. The Prequency of English Letters
| Letters | Frequency (%) | Letters | Frequency (%) |
| E | 11.1607 | M | 3.0129 |
| A | 8.4966 | H | 3.0034 |
| R | 7.5809 | G | 2.4705 |
| I | 7.5448 | B | 2.0720 |
| O | 7.1635 | F | 1.8121 |
| T | 6.9509 | Y | 1.7779 |
| N | 6.6544 | W | 1.2899 |
| S | 5.7351 | K | 1.1016 |
| L | 5.4893 | V | 1.0074 |
| C | 4.5388 | X | 0.2902 |
| U | 3.6308 | Z | 0.2722 |
| D | 3.3844 | J | 0.1965 |
| P | 3.1671 | Q | 0.1962 |