4 letters
- saki8
- sank9
- sans5
- seis4
- shin7
- shoo6
- sibs7
- sick11
- sics7
- sign7
- sike8
- silk9
- silo5
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sits4
- skas8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- soak8
- sobs7
- sock11
- sods5
- soil5
- soke8
- soli5
- solo5
- sols5
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- sops7
- sori4
- sorn5
- sots4
- souk9
- sous5
- sown8
- sows7
- soys6
- spik11
- spin8
- sris4
- sunk10
- sunn7
- suns6
- tiki8
- tins5
- tons5
- took8
- toon5
- toss4
- tsks8
- vino9
- wink12
- wino8
- wins8
- wiss7
- woks11
- wonk12
- wons8
- woos7
- yins7
- yoks10
- yoni7
- zins14
- zonk18
- zoon14
- zoos13