4 letters
- sibs7
- sift7
- silo5
- silt5
- sima7
- simp10
- sims7
- site4
- sith6
- sits4
- skim11
- skit8
- slim8
- slit5
- slob8
- slot5
- smit7
- smog9
- smut8
- snib8
- snit5
- snob8
- snot5
- sobs7
- soft7
- soil5
- soli5
- soma7
- some7
- soot4
- sorb7
- sori4
- sort4
- soth6
- sots4
- spit7
- spot7
- stab7
- stem7
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stum8
- suit5
- sumo8
- swim10
- swob10
- swot7
- sybo9
- tabs7
- tams7
- taos4
- thio6
- this6
- tics7
- ties4
- tils5
- time7
- tins5
- tips7
- tiro4
- tits4
- toby9
- tods5
- toes4
- togs6
- toil5
- toit4
- tomb10
- tome7
- toms7
- tons5
- toom7
- topi7
- tops7
- tori4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tows7
- toys6
- trim7
- trio4
- tubs8
- tuis5
- twos7
- umbo11
- vims11
- wist7
- wits7
- womb13
- wost7
- wots7
- yobs9
- zits13