4 letters
- rids5
- rifs7
- rigs6
- rims7
- rind6
- ring7
- rink9
- rins5
- rips7
- rise4
- risk8
- roan5
- rocs7
- ruin6
- runs6
- rush7
- ryas6
- sack11
- sacs7
- sadi5
- saga6
- said5
- sail5
- sain5
- saki8
- sand6
- sane5
- sang7
- sank9
- sans5
- sard5
- sari4
- sark8
- sash6
- sati4
- sawn8
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scry9
- sear4
- sera4
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shri6
- shun8
- sial5
- sice7
- sick11
- sics7
- sigh8
- sign7
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sire4
- sirs4
- sith6
- skin9
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- soar4
- sora4
- sori4
- sorn5
- span8
- spar7
- spic10
- spin8
- sris4
- star4
- stir4
- such10
- sura5
- swan8
- sync10
- tach9
- tahr6
- tain5
- tans5
- tarn5
- tars4
- than7
- thin7
- thir6
- this6
- tics7
- tins5
- tsar4
- unai6
- unci9
- uric8
- urns6
- ursa5
- vacs11
- vain9
- vair8
- vans9
- vara8
- vars8
- vasa8
- vina9
- visa8
- wain8
- wair7
- wans8
- warn8
- wars7
- wash9
- whin10
- whir9
- wich12
- wins8
- wish9
- yarn7
- yins7
- zinc17
- zins14