4 letters
- shod7
- shog8
- shun8
- side5
- sift7
- sigh8
- sign7
- sild6
- silo5
- sine5
- sing7
- sinh7
- sink9
- sins5
- skid9
- skin9
- slid6
- slog7
- slug8
- smog9
- smug10
- snag7
- sned6
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soda5
- sods5
- sofa7
- soft7
- soil5
- sold6
- soli5
- sone5
- song7
- sons5
- soon5
- sord5
- sori4
- sorn5
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- spin8
- spud9
- spun9
- stud6
- stun6
- sudd7
- suds6
- sued6
- sugh9
- suit5
- sumo8
- sung8
- sunk10
- sunn7
- suns6
- surd6
- surf8
- swig9
- ting7
- tins5
- tods5
- tofu8
- togs6
- tong7
- tons5
- tugs7
- tuis5
- tung8
- tuns6
- udos6
- ughs9
- unai6
- unci9
- unco9
- unde7
- undo7
- undy9
- unit6
- unto6
- updo9
- upon9
- urds6
- urns6
- used6
- vigs10
- vino9
- void9
- vugs11
- wigs9
- wind9
- wing10
- wino8
- wins8
- wogs9
- wons8
- yids7
- yins7
- yods7
- yogi8
- yond8
- yoni7
- zigs15
- zing16
- zins14