| Solution | Length | |
|---|---|---|
| 3 letters | ||
| sos | 3 | |
| 4 letters | ||
| pion | 4 | |
| taus | 4 | |
| 5 letters | ||
| human | 5 | |
| brief | 5 | |
| short | 5 | |
| meson | 5 | |
| 8 letters | ||
| temporal | 8 | |
| unstable | 8 | |
| volatile | 8 | |
| fleeting | 8 | |
| meteoric | 8 | |
| 9 letters | ||
| ephemerae | 9 | |
| ephemeral | 9 | |
| temporary | 9 | |
| undurable | 9 | |
| momentary | 9 | |
| transient | 9 | |
| 10 letters | ||
| TRANSITORY | 10 | |
| TRANSITIVE | 10 | |
| 12 letters | ||
| onehitwonder | 12 | |
| shootingstar | 12 | |
| 13 letters | ||
| flashinthepan | 13 | |