4 letters
- slut6
- snot5
- sole5
- sone5
- sore4
- sorn5
- sort4
- soul6
- soup8
- sour5
- spec10
- spot7
- spue8
- spun9
- spur8
- step7
- stop7
- stun6
- suer5
- suet5
- supe8
- sure5
- teel5
- teen5
- tees4
- tele5
- tell6
- tels5
- tens5
- tern5
- toes4
- tole5
- toll6
- tolu6
- tone5
- tons5
- tope7
- tops7
- torc7
- tore4
- torn5
- tors4
- tour5
- tree4
- trop7
- true5
- tule6
- tune6
- tuns6
- tups8
- turn6
- unco9
- unto6
- upon9
- urns6
- user5