4 letters
- pows10
- prod8
- pros7
- psst7
- puds9
- puts8
- rocs7
- rods5
- rood5
- root4
- roto4
- rots4
- scad8
- scat7
- scop10
- scot7
- scow10
- scud9
- scup11
- scut8
- sect7
- sept7
- shod7
- shoo6
- shop9
- shot6
- slop8
- slot5
- snot5
- soap7
- sock11
- soda5
- sods5
- soft7
- sold6
- solo5
- sook8
- soon5
- soot4
- soph9
- sops7
- sord5
- sort4
- soth6
- sots4
- soup8
- spat7
- spec10
- sped8
- spic10
- spit7
- spot7
- spud9
- step7
- stoa4
- stob7
- stop7
- stow7
- stud6
- swop10
- swot7
- taco7
- tads5
- taos4
- taps7
- teds5
- tics7
- tips7
- toad5
- tods5
- tody7
- toed5
- toes4
- togs6
- told6
- toms7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- tope7
- toph9
- topi7
- tops7
- torc7
- toro4
- tors4
- tosh6
- toss4
- tost4
- tots4
- tows7
- toyo6
- toys6
- trod5
- trop7
- tups8
- twos7
- typo9
- udos6
- updo9
- wood8
- woos7
- wops10
- wost7
- wots7
- yods7
- zoos13