OneBit - Mnemonic
$ rustc main.rs && ./main
| Entropy | Checksum | Entropy + Checksum | Mnemonic |
| 32 | 1 | 33 | 3 |
| 64 | 2 | 66 | 6 |
| 96 | 3 | 99 | 9 |
| 128 | 4 | 132 | 12 |
| 160 | 5 | 165 | 15 |
| 192 | 6 | 198 | 18 |
| 224 | 7 | 231 | 21 |
| 256 | 8 | 264 | 24 |