4 letters
- reif7
- rein5
- reis4
- rems7
- reps7
- resh6
- rest4
- rets4
- revs8
- rias4
- ribs7
- rice7
- ride5
- rids5
- riel5
- rife7
- riff10
- rifs7
- rift7
- rigs6
- rile5
- rime7
- rims7
- rins5
- ripe7
- rips7
- rise4
- risk8
- rite4
- rive8
- robe7
- robs7
- roes4
- rose4
- rube8
- rubs8
- rues5
- ruse5
- ryes6
- sabe7
- safe7
- sari4
- sear4
- seer4
- seif7
- seis4
- self8
- semi7
- sera4
- sere4
- serf7
- sers4
- shri6
- sibb10
- sibs7
- sice7
- side5
- sift7
- sike8
- sine5
- sipe7
- sire4
- sirs4
- site4
- size13
- snib8
- sorb7
- sore4
- sori4
- sris4
- stir4
- suer5
- sure5
- surf8
- tier4
- ties4
- tire4
- tref7
- urbs8
- user5
- verb11
- vibe11
- vier8
- vies8
- vise8
- webs10
- weir7
- wife10
- wire7
- wise7