4 letters
- sadi5
- safe7
- sago6
- said5
- sail5
- sain5
- saki8
- salt5
- sand6
- sane5
- sang7
- sank9
- sans5
- sari4
- sate4
- sati4
- sawn8
- scan8
- scat7
- scot7
- seat4
- seif7
- sent5
- seta4
- sext11
- shat6
- shin7
- shit6
- shot6
- sial5
- sift7
- sign7
- silo5
- silt5
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- site4
- sith6
- sits4
- skat8
- skin9
- skit8
- slat5
- slit5
- slot5
- smit7
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- soak8
- soap7
- soar4
- soda5
- sofa7
- soft7
- soil5
- soja13
- sola5
- soli5
- soma7
- sone5
- song7
- sons5
- soon5
- soot4
- sora4
- sori4
- sorn5
- sort4
- soth6
- sots4
- sown8
- soya6
- span8
- spat7
- spin8
- spit7
- spot7
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stir4
- stoa4
- stob7
- stop7
- stow7
- stun6
- suit5
- swan8
- swat7
- swot7
- tabs7
- taco7
- tads5
- tags6
- tail5
- tain5
- tali5
- tams7
- tang7
- tank9
- tans5
- taos4
- taps7
- tarn5
- taro4
- tars4
- task8
- tass4
- tats4
- taus5
- tavs8
- taws7
- taxa11
- taxi11
- teas4
- tens5
- than7
- thin7
- thio6
- this6
- tics7
- ties4
- tiff10
- tiki8
- tils5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tipi7
- tips7
- tiro4
- titi4
- tits4
- toad5
- tods5
- toea4
- toes4
- toff10
- toft7
- tofu8
- toga6
- togs6
- toil5
- toit4
- tola5
- toms7
- tone5
- tong7
- tons5
- tony7
- toon5
- topi7
- tops7
- tora4
- tori4
- torn5
- tors4
- tosh6
- toss4
- tost4
- tots4
- town8
- tows7
- toys6
- trio4
- tsar4
- tufa8
- tuis5
- tuna6
- tuns6
- twas7
- twin8
- twos7
- tyin7
- unai6
- unit6
- unto6
- utas5
- vain9
- vans9
- vast8
- vats8
- vina9