4 letters
- pars7
- part7
- pawl11
- peal8
- pear7
- perm10
- pial8
- pill9
- pima10
- plan9
- plat8
- play10
- plea8
- plug11
- plum12
- plus9
- poll9
- pour8
- pram10
- prao7
- prat7
- prau8
- pray9
- prim10
- proa7
- prom10
- puja17
- pula9
- pule9
- puli9
- pull10
- pulp12
- puls9
- puma11
- pump14
- puna9
- pupa11
- pure8
- puri8
- purl9
- purr8
- purs8
- raga6
- raia4
- rail5
- raja13
- rale5
- rami7
- ramp10
- rams7
- rape7
- raps7
- rapt7
- rasp7
- raya6
- real5
- ream7
- reap7
- rial5
- rill6
- roam7
- roll6
- romp10
- roup8
- ruga7
- rule6
- ruly8
- rump11
- rums8
- sall6
- salp8
- samp10
- saul6
- slam8
- slap8
- slum9
- slur6
- spam10
- spar7
- spur8
- sump11
- sura5
- tala5
- tall6
- tamp10
- tapa7
- tarp7
- tram7
- trap7
- tump11
- ulan7
- ulna7
- ulva10
- umps11
- upas8
- urea5
- ursa5
- vamp14
- vara8
- wall9
- warm10
- warp10
- waul9
- waur8
- wrap10
- yaup10