4 letters
- sigh8
- sign7
- silo5
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sits4
- skim11
- skin9
- skis8
- slim8
- slog7
- smit7
- smog9
- smug10
- snag7
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snug8
- sobs7
- sock11
- sods5
- soil5
- soli5
- solo5
- sols5
- soma7
- some7
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- sops7
- sori4
- sorn5
- sots4
- sous5
- sown8
- sows7
- soys6
- spic10
- spin8
- sris4
- sumo8
- sums8
- sung8
- sunn7
- suns6
- swig9
- swim10
- sync10
- tics7
- ting7
- tins5
- togs6
- toms7
- tong7
- tons5
- toom7
- toon5
- toss4
- unci9
- unco9
- vigs10
- vims11
- vino9
- wigs9
- wing10
- wino8
- wins8
- wiss7
- wogs9
- wons8
- woos7
- yins7
- yogi8
- yoni7
- zigs15
- zinc17
- zing16
- zins14
- zoic16
- zoom16
- zoon14
- zoos13