4 letters
- rads5
- rags6
- ramp10
- rams7
- rape7
- raps7
- rapt7
- rase4
- rash6
- rasp7
- rath6
- rats4
- raws7
- rays6
- reap7
- recs7
- reps7
- resh6
- rhea6
- rhos6
- rhus7
- rias4
- rich9
- rips7
- rocs7
- rush7
- ryas6
- sack11
- sacs7
- salp8
- samp10
- saps7
- sard5
- sari4
- sark8
- sash6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scop10
- scry9
- scup11
- sear4
- sera4
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- ship9
- shop9
- shri6
- slap8
- snap8
- soap7
- soar4
- soph9
- sora4
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- spic10
- spry9
- spur8
- star4
- such10
- sura5
- swap10
- syph11
- tach9
- tahr6
- taps7
- tarp7
- tars4
- trap7
- tsar4
- upas8
- ursa5
- vacs11
- vars8
- waps10
- warp10
- wars7
- wash9
- wasp10
- whap12
- wrap10
- yaps9
- zaps16