4 letters
- skip11
- skis8
- skit8
- skua9
- slid6
- slim8
- slip8
- slit5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- snib8
- snip8
- snit5
- snub9
- snug8
- soil5
- soli5
- souk9
- soul6
- spik11
- spin8
- spun9
- stun6
- suck12
- suit5
- sulk10
- sulu7
- sung8
- sunk10
- sunn7
- suns6
- syli7
- tils5
- tins5
- tuis5
- tuns6
- tusk9
- ukes9
- ulan7
- ulna7
- ulus7
- unai6
- unci9
- unit6
- urns6
- wink12
- wins8
- yins7
- yuks11
- zins14