4 letters
- rhea6
- rhos6
- rhus7
- ripe7
- rips7
- rise4
- roes4
- rope7
- rose4
- rues5
- ruse5
- rush7
- ryes6
- saps7
- sash6
- sear4
- seas4
- secs7
- seed5
- seek8
- seel5
- seem7
- seen5
- seep7
- seer4
- sees4
- segs6
- seis4
- sels5
- seme7
- sene5
- sept7
- sera4
- sere4
- serf7
- sers4
- sets4
- sews7
- shea6
- shed7
- shes6
- shew9
- ship9
- shoe6
- shop9
- shri6
- sipe7
- sips7
- sire4
- sirs4
- skee8
- skep11
- soph9
- sops7
- sore4
- spae7
- spar7
- spas7
- spec10
- sped8
- spew10
- spry9
- spue8
- spur8
- sris4
- step7
- suer5
- sues5
- supe8
- sups8
- sure5
- syph11
- tees4
- thee6
- tree4
- user5
- uses5
- veep11
- veer8
- vees8
- weep10
- weer7
- wees7
- were7
- whee9
- zees13