4 letters
- rins5
- rise4
- rite4
- rues5
- ruin6
- rune6
- runs6
- runt6
- ruse5
- rush7
- rust5
- ruth7
- ruts5
- sabe7
- sade5
- sadi5
- safe7
- saga6
- sage6
- said5
- sail5
- sain5
- sake8
- saki8
- sale5
- salt5
- same7
- sand6
- sane5
- sang7
- sank9
- sans5
- sari4
- sash6
- sate4
- sati4
- saul6
- save8
- sawn8
- scan8
- scat7
- scut8
- seal5
- seam7
- sear4
- seas4
- seat4
- sect7
- seen5
- seif7
- seis4
- semi7
- send6
- sene5
- sent5
- sept7
- sera4
- seta4
- sets4
- sett4
- sewn8
- sext11
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shed7
- shes6
- shew9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shoe6
- shot6
- shri6
- shul8
- shun8
- shut7
- sial5
- sice7
- side5
- sift7
- sigh8
- sign7
- sike8
- silt5
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sire4
- site4
- sith6
- sits4
- size13
- skat8
- skin9
- skit8
- skua9
- slat5
- slit5
- slue6
- slut6
- smit7
- smut8
- snag7
- snap8
- snaw8
- sned6
- snib8
- snip8
- snit5
- snot5
- snub9
- snug8
- snye7
- sone5
- soth6
- spae7
- span8
- spat7
- spin8
- spit7
- spue8
- spun9
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stem7
- step7
- stet4
- stew7
- stey6
- stir4
- stoa4
- stub8
- stud6
- stum8
- stun6
- stye6
- suba8
- such10
- sued6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sura5
- sure5
- swan8
- swat7
- syne7
- tabs7
- tabu8
- tace7
- tach9
- tads5
- tael5
- tags6
- tahr6
- tail5
- tain5
- taka8
- take8
- tala5
- tale5
- tali5
- tame7
- tams7
- tang7
- tank9
- tans5
- taos4
- tapa7
- tape7
- taps7
- tare4
- tarn5
- tars4
- task8
- tass4
- tate4