4 letters
- sewn8
- sews7
- sext11
- shes6
- shun8
- shut7
- sibs7
- sims7
- sine5
- sins5
- site4
- sits4
- skee8
- slub9
- slue6
- slum9
- slut6
- smew10
- smit7
- smug10
- smut8
- sned6
- snib8
- snit5
- snob8
- snot5
- snub9
- snug8
- snye7
- sobs7
- some7
- sone5
- sons5
- sots4
- sous5
- spue8
- spun9
- stab7
- stem7
- step7
- stet4
- stew7
- stey6
- stob7
- stub8
- stud6
- stum8
- stun6
- stye6
- suba8
- subs8
- suds6
- sued6
- suer5
- sues5
- suet5
- suit5
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- suqs14
- sure5
- suss5
- swum11
- syne7
- tabs7
- tabu8
- tame7
- tams7
- tans5
- tass4
- taus5
- team7
- teas4
- teds5
- teed5
- teel5
- teem7
- teen5
- tees4
- tegs6
- tele5
- tels5
- temp10
- tend6
- tens5
- tent5
- term7
- tern5
- test4
- tets4
- tews7
- thee6
- them9
- then7
- thus7
- ties4
- time7
- tine5
- tins5
- toes4
- tomb10
- tome7
- toms7
- tone5
- tons5
- toss4
- tree4
- true5
- tsks8
- tuba8
- tube8
- tubs8
- tugs7
- tuis5
- tule6
- tump11
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turn6
- tush7
- tusk9
- tuts5
- twee7
- tyee6
- tyes6
- tyne7
- ukes9
- umbo11
- umps11
- unbe9
- unde7
- unit6
- unto6
- urbs8
- urns6
- used6
- user5
- uses5
- utas5
- vees8
- vent9
- vest8
- vets8
- webs10
- ween8
- wees7
- weet7
- wens8
- went8
- west7
- wets7
- wuss8
- yens7
- zebu17
- zees13
- zest13