4 letters
- rape7
- raps7
- rase4
- rasp7
- real5
- reap7
- rebs7
- recs7
- rede5
- reds5
- reed5
- reef7
- reek8
- reel5
- rees4
- refs7
- regs6
- reis4
- rely7
- rems7
- repo7
- repp10
- reps7
- resh6
- rest4
- rete4
- rets4
- revs8
- riel5
- rile5
- ripe7
- rips7
- rise4
- roes4
- role5
- rope7
- rose4
- rues5
- rule6
- ruse5
- ryes6
- sale5
- salp8
- sals5
- saps7
- seal5
- sear4
- seas4
- secs7
- seed5
- seek8
- seel5
- seem7
- seen5
- seep7
- seer4
- sees4
- segs6
- seis4
- self8
- sell6
- sels5
- seme7
- sene5
- sept7
- sera4
- sere4
- serf7
- sers4
- sets4
- sews7
- shes6
- sipe7
- sips7
- sire4
- sirs4
- skee8
- skep11
- slap8
- sled6
- slew8
- slip8
- sloe5
- slop8
- slue6
- slur6
- sole5
- sols5
- sops7
- sore4
- spae7
- spar7
- spas7
- spec10
- sped8
- spew10
- spry9
- spue8
- spur8
- sris4
- step7
- suer5
- sues5
- supe8
- sups8
- sure5
- teel5
- tees4
- tele5
- tels5
- tree4
- user5
- uses5
- veep11
- veer8
- vees8
- weel8
- weep10
- weer7
- wees7
- were7
- yelp10
- zees13