4 letters
- rail5
- rely7
- rhos6
- rial5
- ribs7
- rich9
- riel5
- rile5
- rill6
- rimy9
- riot4
- roar4
- robe7
- robs7
- roil5
- role5
- rolf8
- roll6
- ropy9
- rosy6
- roti4
- rotl5
- ruby10
- ruly8
- ryot6
- shri6
- silo5
- slob8
- soil5
- soli5
- sorb7
- sori4
- sybo9
- syli7
- thio6
- thir6
- thro6
- tirl5
- tiro4
- toby9
- toil5
- tori4
- torr4
- tory6
- trio4
- troy6
- tyro6
- viol9
- virl9
- whir9
- wily10
- wiry9
- yill8
- yird7
- yirr6
- yobs9
- yodh9
- yogh10
- yogi8
- yolk11
- yoni7
- yore6
- your7
- yowl10
- zori13