| Solution | Length | |
|---|---|---|
| 3 letters | ||
| try | 3 | |
| 4 letters | ||
| test | 4 | |
| shot | 4 | |
| stab | 4 | |
| step | 4 | |
| 5 letters | ||
| nouns | 5 | |
| trial | 5 | |
| whack | 5 | |
| 6 letters | ||
| stroke | 6 | |
| trying | 6 | |
| camera | 6 | |
| evolve | 6 | |
| 7 letters | ||
| testing | 7 | |
| r and d | 7 | |
| 9 letters | ||
| tentative | 9 | |
| trial run | 9 | |
| 11 letters | ||
| UNDERTAKING | 11 | |
| provisional | 11 | |
| 12 letters | ||
| probationary | 12 | |
| 13 letters | ||
| rule of thumb | 13 | |
| 24 letters | ||
| research and development | 24 | |