4 letters
- nisi5
- nits5
- nogs7
- noms8
- nous6
- nubs9
- nuke10
- numb12
- nuns7
- nuts6
- oink9
- onus6
- pigs9
- ping10
- pink12
- pins8
- pugs10
- pung11
- punk13
- puns9
- quin15
- rigs6
- rims7
- ring7
- rink9
- rins5
- risk8
- rugs7
- ruin6
- rums8
- rung8
- runs6
- rusk9
- sain5
- saki8
- sang7
- sank9
- scum11
- semi7
- shim9
- shin7
- shun8
- sick11
- sigh8
- sign7
- sike8
- silk9
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- skag10
- skeg10
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slim8
- slug8
- slum9
- smit7
- smog9
- smug10
- smut8
- snag7
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- song7
- souk9
- spik11
- spin8
- spun9
- stum8
- stun6
- suck12
- sugh9
- suit5
- sulk10
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- swig9
- swim10
- swum11
- ting7
- tins5
- tugs7
- tuis5
- tung8
- tuns6
- tusk9
- ughs9
- ukes9
- umps11
- unai6
- unci9
- unit6
- urns6
- vigs10
- vims11
- vugs11
- wigs9
- wing10
- wink12
- wins8
- yins7
- yuks11
- zigs15
- zing16
- zins14