4 letters
- puna9
- punk13
- puri8
- pyin10
- rack11
- ragi6
- raia4
- raid5
- rail5
- rain5
- rake8
- raki8
- rami7
- ramp10
- rand6
- rang7
- rani5
- rank9
- rant5
- rape7
- raps7
- rapt7
- rasp7
- reap7
- rein5
- rial5
- rias4
- rick11
- rind6
- ring7
- rink9
- rins5
- ripe7
- rips7
- risk8
- roan5
- ruin6
- sain5
- saki8
- sank9
- sari4
- sark8
- sink9
- skin9
- skip11
- snap8
- snip8
- span8
- spar7
- spik11
- spin8
- tain5
- tank9
- tarn5
- tarp7
- trap7
- trip7
- unai6
- vain9
- vair8
- vina9
- wain8
- wair7
- wark11
- warn8
- warp10
- wink12
- wrap10
- yank11
- yarn7