4 letters
- scop10
- scot7
- scow10
- scud9
- scum11
- scup11
- scut8
- sect7
- shit6
- shoo6
- shot6
- shut7
- sice7
- sick11
- sics7
- sift7
- silo5
- silt5
- site4
- sith6
- sits4
- skit8
- slit5
- slot5
- slut6
- smit7
- smut8
- snit5
- snot5
- sock11
- soft7
- soil5
- soli5
- solo5
- sook8
- soon5
- soot4
- sori4
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- spic10
- spit7
- spot7
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- such10
- suck12
- suet5
- suit5
- sumo8
- suqs14
- swot7
- taco7
- taos4
- taus5
- thio6
- this6
- thou7
- thus7
- tick11
- tics7
- ties4
- tils5
- tins5
- tips7
- tiro4
- tits4
- tods5
- toes4
- tofu8
- togs6
- toil5
- toit4
- tolu6
- toms7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- topi7
- tops7
- torc7
- tori4
- toro4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tour5
- tout5
- tows7
- toyo6
- toys6
- trio4
- tubs8
- tuck12
- tugs7
- tuis5
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- twos7
- udos6
- unci9
- unco9
- unit6
- unto6
- uric8
- utas5
- wist7
- wits7
- woos7
- wost7
- wots7
- zits13
- zoic16
- zoos13