4 letters
- sock11
- soda5
- sofa7
- soft7
- soja13
- soke8
- sola5
- solo5
- soma7
- sook8
- soon5
- soot4
- sora4
- sorb7
- sort4
- soth6
- sots4
- souk9
- soya6
- spat7
- spot7
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stoa4
- stob7
- stop7
- stow7
- stub8
- suba8
- suck12
- swab10
- swat7
- swob10
- swot7
- sybo9
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- taka8
- take8
- talc8
- talk9
- tams7
- tank9
- tans5
- taos4
- taps7
- taro4
- tars4
- task8
- tass4
- tats4
- taus5
- tavs8
- taws7
- teak8
- teas4
- tick11
- tics7
- toad5
- toby9
- tods5
- toea4
- toes4
- toga6
- togs6
- toke8
- tola5
- tomb10
- toms7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- tops7
- tora4
- torc7
- toro4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tows7
- toyo6
- toys6
- tsar4
- tsks8
- tuba8
- tubs8
- tuck12
- tusk9
- twas7
- twos7
- utas5
- vacs11
- vast8
- vats8
- wabs10
- wack14
- wast7
- wats7
- woks11
- woos7
- wost7
- wots7
- yack13
- yaks10
- yobs9
- yock13
- yoks10
- zoos13