4 letters
- scow10
- scry9
- scud9
- seif7
- serf7
- shod7
- shri6
- sice7
- sick11
- sics7
- side5
- sift7
- sike8
- sild6
- silk9
- silo5
- sink9
- sire4
- sirs4
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- slid6
- soak8
- soar4
- sock11
- soda5
- sods5
- sofa7
- soft7
- soil5
- soke8
- sold6
- soli5
- sook8
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- souk9
- sour5
- spic10
- spik11
- sris4
- stir4
- suck12
- surd6
- surf8
- tick11
- tics7
- tiro4
- tods5
- torc7
- tori4
- tors4
- trio4
- trod5
- udos6
- urds6
- uric8
- void9
- wick14
- woks11
- word8
- work11
- yids7
- yird7
- yock13
- yods7
- yoks10
- zoic16
- zori13