4 letters
- rash6
- rasp7
- real5
- reap7
- recs7
- rein5
- reis4
- repp10
- reps7
- resh6
- rhea6
- rial5
- rias4
- rice7
- rich9
- riel5
- rile5
- rins5
- ripe7
- rips7
- rise4
- sail5
- sain5
- sale5
- salp8
- sane5
- sari4
- scan8
- scar7
- seal5
- sear4
- sera4
- shea6
- shin7
- ship9
- shri6
- sial5
- sice7
- sine5
- sinh7
- sipe7
- sire4
- slap8
- slip8
- snap8
- snip8
- spae7
- span8
- spar7
- spec10
- spic10
- spin8