4 letters
- peas7
- pecs10
- peds8
- pend9
- pens8
- plan9
- plea8
- pleb11
- pled9
- plus9
- prau8
- pubs11
- puce11
- puds9
- pula9
- pule9
- puls9
- puna9
- puns9
- pure8
- purl9
- purs8
- race7
- rads5
- rale5
- rand6
- rape7
- raps7
- rase4
- rasp7
- read5
- real5
- reap7
- rebs7
- recs7
- reds5
- rend6
- reps7
- rube8
- rubs8
- rude6
- rued6
- rues5
- rule6
- rune6
- runs6
- ruse5
- sabe7
- sade5
- sale5
- salp8
- sand6
- sane5
- sard5
- saul6
- scab10
- scad8
- scan8
- scar7
- scud9
- scup11
- seal5
- sear4
- send6
- sera4
- slab8
- slap8
- sled6
- slub9
- slue6
- slur6
- snap8
- sned6
- snub9
- spae7
- span8
- spar7
- spec10
- sped8
- spud9
- spue8
- spun9
- spur8
- suba8
- sued6
- suer5
- sulu7
- supe8
- sura5
- surd6
- sure5
- ulan7
- ulna7
- ulus7
- unau7
- unbe9
- unde7
- upas8
- urbs8
- urds6
- urea5
- urns6
- ursa5
- urus6
- used6
- user5