4 letters
- slip8
- slit5
- slot5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smit7
- smug10
- smut8
- snit5
- soil5
- soli5
- soul6
- spit7
- stem7
- stir4
- stub8
- stud6
- stum8
- stun6
- suet5
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- swim10
- swum11
- syli7
- tail5
- tali5
- tams7
- taus5
- tels5
- this6
- thus7
- tics7
- ties4
- tile5
- till6
- tils5
- tilt5
- time7
- tins5
- tips7
- tirl5
- tits4
- toil5
- tolu6
- toms7
- trim7
- tubs8
- tugs7
- tuis5
- tule6
- tump11
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- ulus7
- umps11
- unit6
- utas5
- vims11
- wilt8
- wist7
- wits7
- zits13