4 letters
- slim8
- slip8
- slit5
- sloe5
- slue6
- slur6
- soil5
- sole5
- soli5
- sore4
- sori4
- sris4
- stir4
- suer5
- sure5
- syli7
- teel5
- tees4
- tele5
- tell6
- tels5
- thee6
- thir6
- this6
- tier4
- ties4
- tile5
- till6
- tils5
- tire4
- tirl5
- tree4
- user5
- veer8
- vees8
- veil9
- vier8
- vies8
- vile9
- vill10
- virl9
- vise8
- weel8
- weer7
- wees7
- weir7
- well9
- were7
- whee9
- whir9
- wile8
- will9
- wire7
- wise7
- wish9
- yell8
- yill8
- zees13
- zill15