5 letters
- sinus7
- siren6
- sirup9
- skill11
- skirl10
- skull12
- slain7
- slang9
- slier6
- slily9
- sling9
- slink11
- slubs10
- slugs9
- slung10
- slunk12
- slurb10
- slurp10
- slurs7
- snail7
- snarl7
- snell8
- snibs9
- snubs10
- snugs9
- spill10
- sprig10
- sprug11
- spurn10
- squib18
- still7
- sting8
- stull8
- stung9
- suber9
- sugar8
- suing9
- suint7
- sulci10
- sully10
- sural7
- surge8
- surgy10
- surly9
- swill10
- swing11
- swirl9
- swung12
- tills7
- tings8
- tirls6
- trigs7
- trill7
- trugs8
- trull8
- tungs9
- turns7
- ulans8
- ulnar8
- ulnas8
- unais7
- unbar10
- unbid11
- units7
- unlit8
- unrig9
- unrip10
- until8
- urban10
- urbia9
- urges8
- urial7
- urine7
- using9
- vills11
- virls10
- virus10
- wills10
- wings11
- wring11
- wrung12
- yills9
- zills16
- zings17