4 letters
- raff10
- rail5
- rale5
- real5
- reck11
- recs7
- reef7
- reel5
- refs7
- reft7
- reif7
- rein5
- reis4
- rely7
- rial5
- rice7
- rich9
- rick11
- ride5
- riel5
- rife7
- riff10
- rifs7
- rift7
- rile5
- rill6
- rime7
- ripe7
- rise4
- rite4
- rive8
- roil5
- role5
- rolf8
- ruff11
- rule6
- seif7
- self8
- serf7
- sice7
- sire4
- teff10
- tier4
- tiff10
- tile5
- tire4
- tirl5
- tref7
- uric8
- veil9
- vice11
- vier8
- vile9
- virl9
- weir7
- wife10
- wile8
- wire7