4 letters
- slap8
- slat5
- slaw8
- slay7
- slid6
- slim8
- slip8
- slit5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smit7
- smug10
- smut8
- soak8
- soil5
- sola5
- soli5
- soma7
- souk9
- soul6
- spam10
- spik11
- stum8
- suba8
- suck12
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- sunk10
- sura5
- swam10
- swim10
- swum11
- syli7
- tail5
- tali5
- talk9
- tams7
- task8
- taus5
- tils5
- tuis5
- tusk9
- ukes9
- ulan7
- ulna7
- ulus7
- ulva10
- umps11
- unai6
- upas8
- ursa5
- utas5
- vail9
- vaus9
- vial9
- vims11
- visa8
- wail8
- walk12
- wauk12
- waul9
- yaks10
- yams9
- yuks11