4 letters
- shmo9
- shog8
- shoo6
- shot6
- shut7
- slog7
- slot5
- slug8
- slum9
- slut6
- smit7
- smog9
- smug10
- smut8
- snog7
- snot5
- snug8
- soft7
- solo5
- soma7
- some7
- song7
- sook8
- soon5
- soot4
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- spot7
- stag6
- stem7
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- suet5
- sugh9
- suit5
- sumo8
- sump11
- sums8
- sung8
- swot7
- swum11
- tags6
- tams7
- taos4
- taus5
- tegs6
- thou7
- thug9
- thus7
- tods5
- toes4
- tofu8
- toga6
- togs6
- tolu6
- tomb10
- tome7
- toms7
- tong7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- tops7
- toro4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tour5
- tout5
- tows7
- toyo6
- toys6
- trug7
- tubs8
- tugs7
- tuis5
- tump11
- tung8
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- twos7
- udos6
- ughs9
- umbo11
- umps11
- unto6
- utas5
- vugs11
- wogs9
- woos7
- wost7
- wots7
- zoom16
- zoos13