4 letters
- snit5
- snot5
- soap7
- sofa7
- soft7
- soil5
- sola5
- soli5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spun9
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- step7
- stir4
- stoa4
- stop7
- stun6
- suit5
- swan8
- swap10
- swat7
- syli7
- tabs7
- tads5
- tael5
- tags6
- tail5
- tain5
- tala5
- talc8
- tale5
- tali5
- talk9
- tall6
- tamp10
- tams7
- tang7
- tank9
- tans5
- taos4
- tapa7
- tape7
- taps7
- tarn5
- tarp7
- tars4
- task8
- tass4
- tats4
- taus5
- tavs8
- taws7
- taxi11
- teal5
- teas4
- teff10
- tela5
- tels5
- tens5
- tepa7
- than7
- thin7
- this6
- tics7
- ties4
- tiff10
- tiki8
- tile5
- till6
- tils5
- tilt5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tipi7
- tips7
- tirl5
- titi4
- tits4
- toff10
- toil5
- tola5
- tons5
- topi7
- tops7
- trap7
- trip7
- tsar4
- tufa8
- tuff11
- tuis5
- tuna6
- tuns6
- tups8
- twas7
- twin8
- tyin7
- ulan7
- ulna7
- unai6
- unit6
- upas8
- utas5
- vail9
- vain9
- vans9
- vast8
- vats8
- vial9
- vina9
- visa8
- vita8
- waff13
- waft10
- waif10
- wail8
- wain8
- wait7
- wans8
- want8
- waps10
- wasp10
- wast7
- wats7
- wilt8
- wins8
- wisp10
- wist7
- wits7
- yaff12
- yaps9
- yins7
- yips9
- zaps16
- zins14
- zips16
- ziti13
- zits13