4 letters
- pose7
- psis7
- puds9
- puma11
- puna9
- puns9
- puss8
- sade5
- sadi5
- said5
- sain5
- same7
- samp10
- sand6
- sane5
- sans5
- saps7
- seam7
- seas4
- seis4
- semi7
- send6
- side5
- sima7
- simp10
- sims7
- sine5
- sins5
- sipe7
- sips7
- snap8
- sned6
- snip8
- soap7
- soda5
- sods5
- soma7
- some7
- sone5
- sons5
- sops7
- soup8
- sous5
- spae7
- spam10
- span8
- spas7
- sped8
- spin8
- spud9
- spue8
- spun9
- suds6
- sued6
- sues5
- sumo8
- sump11
- sums8
- sunn7
- suns6
- supe8
- sups8
- udos6
- umps11
- unai6
- unde7
- undo7
- upas8
- updo9
- upon9
- used6
- uses5