sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| School Student Transport Scheme | *** |
| Space Surveillance and Tracking System | ** |
| serial, self-terminating search | ** |
| superior sagittal and transverse sinuses | ** |
| single-shell storage tanks | ** |
| Scripless Securities Trading System | ** |
| Sea Surface Temperature Satellite | ** |
| Saltmarsh Sharp Tailed Sparrow | ** |
| Saskatchewan Science Teachers Society | ** |
| Student Systems Technical Support | ** |
| Statewide Snowmobile Trail System | ** |
| Student Success Tracking System | ** |
| S Sharp Tailed Sparrow | * |
| Standards for Tax Services | * |
| Subsurface Sewage Treatment Systems | * |
| Statewide Snowmobile Trails System | * |
| Spill Site Tracking System | * |
| Space Shuttle Transportation System | * |
| Student Systems Tech Support | * |
| Space Surveillance Tracking System | * |
| Submarine advanced Signal Training System | * |
| Superfund Site Tracking System | * |
| Super Sonic Transportation System | * |
| Sacrilicious Sounds of The Super | * |
| Sam Serve The Servants | * |
| Sanford and Son Theme Song | * |
| Sesame Street Theme Song | * |
| Shipyard Skills Tracking System | * |
| Silk Stalkings Theme Song | * |
| Simon and Simon Theme Song | * |
| Simple Supper Time Solutions | * |
| Sister Sister Theme Song | * |
| Subcommittee on Safeguards Technical Support | * |
| Sunny Side Temp Side | * |
| Swedish Star Trek Sites | * |
| System Seven Tracking System | * |