4 letters
- sofa7
- soft7
- soke8
- solo5
- sols5
- sons5
- sook8
- soon5
- soot4
- sops7
- sort4
- soth6
- sots4
- souk9
- sous5
- sows7
- soys6
- spot7
- stoa4
- stob7
- stop7
- stow7
- suck12
- swot7
- tack11
- taco7
- taos4
- task8
- tass4
- tick11
- tics7
- tods5
- toes4
- toff10
- toft7
- tofu8
- togs6
- toke8
- toms7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- tops7
- torc7
- toro4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tows7
- toyo6
- toys6
- tsks8
- tuck12
- tusk9
- twos7
- woks11
- woof10
- woos7
- wost7
- wots7
- yock13
- yoks10
- zoos13