4 letters
- pika11
- pill9
- plan9
- plat8
- play10
- plea8
- pleb11
- poll9
- pork11
- pram10
- prao7
- prat7
- prau8
- pray9
- proa7
- pula9
- pull10
- purl9
- rack11
- raga6
- raia4
- rail5
- raja13
- rake8
- raki8
- rale5
- ramp10
- rank9
- rape7
- raps7
- rapt7
- rasp7
- raya6
- real5
- reap7
- rial5
- rill6
- roll6
- sall6
- salp8
- sark8
- slab8
- slap8
- spar7
- taka8
- tala5
- talk9
- tall6
- tapa7
- tarp7
- trap7
- vara8
- walk12
- wall9
- wark11
- warp10
- wrap10