4 letters
- salt5
- sane5
- sate4
- saul6
- scan8
- scat7
- scop10
- scot7
- scup11
- scut8
- seal5
- seat4
- sect7
- sent5
- sept7
- seta4
- slap8
- slat5
- sloe5
- slop8
- slot5
- slue6
- slut6
- snap8
- snot5
- soap7
- sola5
- sole5
- sone5
- soul6
- soup8
- spae7
- span8
- spat7
- spec10
- spot7
- spue8
- spun9
- step7
- stoa4
- stop7
- stun6
- suet5
- supe8
- tace7
- taco7
- tael5
- tala5
- talc8
- tale5
- tans5
- taos4
- tapa7
- tape7
- taps7
- taus5
- teal5
- teas4
- tela5
- tels5
- tens5
- tepa7
- toea4
- toes4
- tola5
- tole5
- tolu6
- tone5
- tons5
- tope7
- tops7
- tule6
- tuna6
- tune6
- tuns6
- tups8
- ulan7
- ulna7
- unco9
- unto6
- upas8
- upon9
- utas5