4 letters
- psst7
- puck15
- puss8
- puts8
- rock11
- rocs7
- rook8
- root4
- roto4
- rots4
- sack11
- sacs7
- saps7
- scat7
- scop10
- scot7
- scow10
- scup11
- scut8
- secs7
- sect7
- sept7
- sets4
- shoo6
- shop9
- shot6
- sick11
- sics7
- sips7
- sits4
- skas8
- skat8
- skep11
- skip11
- skis8
- skit8
- slop8
- slot5
- snot5
- soak8
- soap7
- sobs7
- sock11
- sods5
- soft7
- soke8
- solo5
- sols5
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sort4
- soth6
- sots4
- souk9
- soup8
- sous5
- sows7
- soys6
- spas7
- spat7
- spec10
- spic10
- spik11
- spit7
- spot7
- step7
- stoa4
- stob7
- stop7
- stow7
- suck12
- sups8
- swop10
- swot7
- tack11
- taco7
- taos4
- taps7
- task8
- tass4
- tick11
- tics7
- tips7
- tods5
- toes4
- togs6
- toke8
- toms7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- tope7
- toph9
- topi7
- tops7
- torc7
- toro4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tows7
- toyo6
- toys6
- trop7
- tsks8
- tuck12
- tups8
- tusk9
- twos7
- typo9
- woks11
- woos7
- wops10
- wost7
- wots7
- yock13
- yoks10
- zoos13