4 letters
- soap7
- soar4
- soda5
- sora4
- sord5
- sore4
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- sped8
- spew10
- spry9
- spud9
- spue8
- spur8
- star4
- stay6
- step7
- stey6
- stye6
- sued6
- suer5
- supe8
- sura5
- surd6
- sure5
- swap10
- sway9
- syce9
- syke10
- syne7
- syph11
- tads5
- tape7
- taps7
- tare4
- tarp7
- tars4
- tear4
- teas4
- teds5
- teed5
- tees4
- tepa7
- trad5
- trap7
- tray6
- tree4
- trey6
- tsar4
- tyee6
- tyer6
- tyes6
- type9
- tyre6
- upas8
- urds6
- urea5
- ursa5
- used6
- user5
- vars8
- vary10
- vase8
- veep11
- veer8
- vees8
- vera8
- very10
- wade8
- wads8
- wady10
- waes7
- waps10
- ward8
- ware7
- warp10
- wars7
- wary9
- wasp10
- ways9
- wear7
- weds8
- weed8
- weep10
- weer7
- wees7
- were7
- wrap10
- wyes9
- yaks10
- yald8
- yams9
- yaps9
- yard7
- yare6
- yarn7
- yaud8
- yaup10
- yawp12
- yaws9
- yays8
- yeah8
- yean7
- year6
- yeas6
- yeld8
- yelp10
- yens7
- yerk10
- yews9
- yids7
- yipe9
- yips9
- yird7
- yirr6
- yods7
- yore6
- yups10
- zaps16
- zeds14
- zees13