4 letters
- sims7
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skas8
- skat8
- skip11
- skis8
- skit8
- slap8
- slat5
- slip8
- slit5
- smit7
- snap8
- snip8
- snit5
- soap7
- soar4
- sops7
- sora4
- sori4
- sort4
- sots4
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spur8
- sris4
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- step7
- stir4
- stoa4
- stop7
- suit5
- sups8
- sura5
- swap10
- swat7
- tabs7
- tads5
- tags6
- tahr6
- tail5
- tain5
- taka8
- tala5
- tali5
- tamp10
- tams7
- tans5
- taos4
- tapa7
- tape7
- taps7
- tare4
- tarn5
- taro4
- tarp7
- tars4
- tart4
- task8
- tass4
- tats4
- taus5
- tavs8
- taws7
- taxa11
- taxi11
- tear4
- teas4
- tepa7
- thir6
- this6
- tics7
- tier4
- ties4
- tiki8
- tils5
- tins5
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- topi7
- tops7
- tora4
- tori4
- tors4
- toss4
- trad5
- tram7
- trap7
- tray6
- trig6
- trim7
- trio4
- trip7
- trop7
- tsar4
- tsks8
- tuis5
- tups8
- twas7
- tzar13
- upas8
- ursa5
- utas5
- vair8
- vara8
- vars8
- vasa8
- vast8
- vats8
- visa8
- vita8
- wair7
- wait7
- waps10
- warp10
- wars7
- wart7
- wasp10
- wast7
- wats7
- wisp10
- wiss7
- wist7
- wits7
- wrap10
- writ7
- yaps9
- yips9
- zaps16
- zips16
- ziti13
- zits13