4 letters
- ship9
- sial5
- sibb10
- sibs7
- sics7
- sima7
- simp10
- sims7
- sins5
- sipe7
- sips7
- sirs4
- sits4
- skas8
- skip11
- skis8
- slab8
- slap8
- slip8
- snap8
- snib8
- snip8
- soap7
- sobs7
- sops7
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- sris4
- stab7
- suba8
- subs8
- sups8
- swab10
- swap10
- tabs7
- tapa7
- taps7
- tass4
- tips7
- upas8
- vasa8
- visa8
- wabs10
- waps10
- wasp10
- wisp10
- wiss7
- yaps9
- yips9
- zaps16
- zips16