4 letters
- plan9
- plea8
- sade5
- sale5
- salp8
- sand6
- sane5
- sawn8
- seal5
- slap8
- slaw8
- snap8
- snaw8
- soap7
- soda5
- sola5
- spae7
- span8
- swan8
- swap10
- wade8
- wads8
- waes7
- wale8
- wand9
- wane8
- wans8
- waps10
- wasp10
- weal8
- wean8
- pied8
- pies7
- pile8
- pine8
- pins8
- pion8
- piso7
- plie8
- pois7
- side5
- sild6
- silo5
- sine5
- sipe7
- slid6
- slip8
- snip8
- soil5
- soli5
- spin8
- poor7
- pore7
- porn8
- prod8
- pros7
- prow10
- redo5
- reds5
- rend6
- repo7
- reps7
- rode5
- rods5
- roes4
- role5
- rood5
- rope7
- rose4
- rows7
- sord5
- sore4
- sorn5
- pelt8
- pent8
- pest7
- pets7
- plot8
- poet7
- post7
- pots7
- sent5
- sept7
- slot5
- snot5
- soot4
- spot7
- step7
- stew7
- stop7
- stow7
- swot7
- teds5
- tels5
- tend6
- tens5
- tews7
- tods5
- toed5
- toes4
- told6
- tole5
- tone5
- tons5
- tool5
- toon5
- tope7
- tops7
- town8
- tows7
- twos7
a -
i -
r -
t -