4 letters
- seta4
- sial5
- silo5
- silt5
- sine5
- sipe7
- site4
- slap8
- slat5
- slip8
- slit5
- sloe5
- slop8
- slot5
- slue6
- slut6
- snap8
- snip8
- snit5
- snot5
- soap7
- soil5
- sola5
- sole5
- soli5
- sone5
- soul6
- soup8
- spae7
- span8
- spat7
- spin8
- spit7
- spot7
- spue8
- spun9
- step7
- stoa4
- stop7
- stun6
- suet5
- suit5
- supe8
- tael5
- tail5
- tain5
- tale5
- tali5
- tans5
- taos4
- tape7
- taps7
- taus5
- teal5
- teas4
- tela5
- tels5
- tens5
- tepa7
- ties4
- tile5
- tils5
- tine5
- tins5
- tips7
- toea4
- toes4
- toil5
- tola5
- tole5
- tolu6
- tone5
- tons5
- tope7
- topi7
- tops7
- tuis5
- tule6
- tuna6
- tune6
- tuns6
- tups8
- ulan7
- ulna7
- unai6
- unit6
- unto6
- upas8
- upon9
- utas5