4 letters
- scan8
- scar7
- scat7
- scop10
- scot7
- scup11
- scut8
- seat4
- sect7
- sent5
- sept7
- seta4
- shat6
- shin7
- ship9
- shit6
- sial5
- sice7
- sick11
- sics7
- sift7
- sign7
- silt5
- sima7
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- site4
- sith6
- sits4
- skat8
- skin9
- skip11
- skit8
- slap8
- slat5
- slip8
- slit5
- smit7
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snot5
- soap7
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spun9
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- step7
- stir4
- stoa4
- stop7
- stun6
- suit5
- swan8
- swap10
- swat7
- sync10
- tabs7
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- tail5
- tain5
- taka8
- tala5
- talc8
- tali5
- tamp10
- tams7
- tang7
- tank9
- tans5
- taos4
- tapa7
- tape7
- taps7
- tarn5
- tarp7
- tars4
- task8
- tass4
- tats4
- taus5
- tavs8
- taws7
- taxa11
- taxi11
- teas4
- tens5
- tepa7
- than7
- thin7
- this6
- tick11
- tics7
- ties4
- tils5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tipi7
- tips7
- tits4
- tons5
- topi7
- tops7
- trap7
- trip7
- tsar4
- tuis5
- tuna6
- tuns6
- tups8
- twas7
- twin8
- tyin7
- unai6
- unci9
- unit6
- upas8
- utas5
- vacs11
- vain9
- vans9
- vasa8
- vast8
- vats8
- vina9
- visa8
- vita8
- wain8
- wait7
- wans8
- want8
- waps10
- wasp10
- wast7
- wats7
- wins8
- wisp10
- wist7
- wits7
- yaps9
- yins7
- yips9
- zaps16
- zinc17
- zins14
- zips16
- zits13