4 letters
- sine5
- sinh7
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- size13
- skim11
- skis8
- slam8
- sled6
- slew8
- slid6
- slim8
- slip8
- slit5
- sloe5
- slue6
- slum9
- smew10
- smit7
- soil5
- sole5
- soli5
- sols5
- some7
- spec10
- spic10
- sris4
- stem7
- such10
- sues5
- sums8
- suss5
- swim10
- syce9
- syli7
- tels5
- them9
- this6
- tics7
- ties4
- tile5
- tils5
- time7
- uses5
- veil9
- vice11
- vies8
- vile9
- vims11
- vise8
- whim12
- wich12
- wile8
- wise7
- wish9
- wiss7
- yech11
- ylem10