5 letters
- rumps12
- runes7
- rungs9
- runic10
- runts7
- rutin7
- sarin6
- scrip11
- sculp13
- serin6
- shuln10
- sieur6
- sinus7
- siren6
- sirup9
- situp9
- skirl10
- slain7
- slier6
- sling9
- slink11
- slipe9
- slips9
- slipt9
- slump13
- slung10
- slunk12
- slurb10
- slurp10
- slurs7
- snail7
- snarl7
- snipe9
- snips9
- spail9
- speil9
- speir8
- spiel9
- spier8
- spile9
- spill10
- spilt9
- spine9
- spins9
- spiny11
- spire8
- spirt8
- spiry10
- split9
- spoil9
- sprig10
- sprit8
- sprue9
- sprug11
- spunk14
- spurn10
- spurs9
- spurt9
- stirp8
- strip8
- suing9
- suint7
- sulci10
- sunup11
- super9
- supra9
- sural7
- surly9
- swirl9
- syrup11
- tirls6
- trips8
- tulip10
- turns7
- turps9
- ulans8
- ulnar8
- ulnas8
- ulpan11
- unais7
- unhip12
- units7
- unlit8
- unpin11
- unrig9
- unrip10
- until8
- unzip19
- uplit10
- urial7
- urine7
- using9
- usurp10
- virls10
- virus10