4 letters
- pins8
- piss7
- plan9
- plea8
- pled9
- plie8
- plus9
- psis7
- puce11
- puds9
- pula9
- pule9
- puli9
- puls9
- puna9
- puns9
- puss8
- sacs7
- sade5
- sadi5
- said5
- sail5
- sain5
- sale5
- salp8
- sals5
- sand6
- sane5
- sans5
- saps7
- saul6
- scad8
- scan8
- scud9
- scup11
- seal5
- seas4
- secs7
- seed5
- seel5
- seen5
- seep7
- sees4
- seis4
- sels5
- send6
- sene5
- sial5
- sice7
- sics7
- side5
- sild6
- sine5
- sins5
- sipe7
- sips7
- slap8
- sled6
- slid6
- slip8
- slue6
- snap8
- sned6
- snip8
- spae7
- span8
- spas7
- spec10
- sped8
- spic10
- spin8
- spud9
- spue8
- spun9
- suds6
- sued6
- sues5
- suns6
- supe8
- sups8
- ulan7
- ulna7
- unai6
- unci9
- unde7
- upas8
- used6
- uses5