4 letters
- sain5
- saki8
- salp8
- samp10
- sand6
- sane5
- sang7
- sank9
- sans5
- saps7
- sard5
- sari4
- sash6
- sati4
- sawn8
- scad8
- scan8
- send6
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shed7
- shim9
- shin7
- ship9
- shit6
- shiv10
- shod7
- shop9
- shri6
- shun8
- sial5
- side5
- sigh8
- sign7
- sild6
- sima7
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sith6
- skid9
- skin9
- skip11
- slap8
- slid6
- slip8
- snag7
- snap8
- snaw8
- sned6
- snib8
- snip8
- snit5
- soap7
- soda5
- soph9
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- sped8
- spic10
- spik11
- spin8
- spit7
- spiv11
- spud9
- spun9
- swan8
- swap10
- syph11
- tads5
- tain5
- tans5
- tapa7
- taps7
- than7
- thin7
- this6
- tins5
- tipi7
- tips7
- unai6
- upas8
- vain9
- vans9
- vasa8
- vina9
- visa8
- wadi8
- wads8
- wain8
- wand9
- wans8
- waps10
- wash9
- wasp10
- whap12
- whid10
- whin10
- whip12
- wind9
- wins8
- wish9
- wisp10
- yaps9
- yids7
- yins7
- yips9
- zaps16
- zins14
- zips16