| Solution | Length | |
|---|---|---|
| 3 letters | ||
| nod | 3 | |
| yes | 3 | |
| ago | 3 | |
| let | 3 | |
| aok | 3 | |
| 4 letters | ||
| OKAY | 4 | |
| lime | 4 | |
| visa | 4 | |
| seal | 4 | |
| lawn | 4 | |
| sign | 4 | |
| wink | 4 | |
| 5 letters | ||
| allow | 5 | |
| stamp | 5 | |
| touch | 5 | |
| 6 letters | ||
| WIGWAG | 6 | |
| spears | 6 | |
| signal | 6 | |
| rocket | 6 | |
| assent | 6 | |
| signet | 6 | |
| 7 letters | ||
| warrant | 7 | |
| foglamp | 7 | |
| goahead | 7 | |
| 8 letters | ||
| absinthe | 8 | |
| sanction | 8 | |
| SAYYESTO | 8 | |
| go-ahead | 8 | |
| approval | 8 | |
| 9 letters | ||
| allotment | 9 | |
| SQUIDGAME | 9 | |
| clearance | 9 | |
| signature | 9 | |
| authority | 9 | |
| red flag | 9 | |
| red light | 9 | |
| SOLARLAMP | 9 | |
| semaphore | 9 | |
| 10 letters | ||
| permission | 10 | |
| 11 letters | ||
| white flag | 11 | |
| stop light | 11 | |
| 12 letters | ||
| subscription | 12 | |
| roman candle | 12 | |
| RUBBER STAMP | 12 | |
| RATIFICATION | 12 | |
| 13 letters | ||
| traffic light | 13 | |
| 15 letters | ||
| stampofapproval | 15 | |
| 20 letters | ||
| ADRIVERRUNSTHROUGHIT | 20 | |