4 letters
- pics10
- pigs9
- ping10
- pins8
- puff14
- pugs10
- pung11
- puns9
- quin15
- riff10
- rifs7
- rigs6
- ring7
- rins5
- ruff11
- rugs7
- ruin6
- rung8
- runs6
- sain5
- sang7
- scag9
- scan8
- scud9
- scum11
- scup11
- scut8
- seif7
- shin7
- shun8
- sice7
- sick11
- sics7
- sift7
- sigh8
- sign7
- sine5
- sing7
- sinh7
- sink9
- sins5
- skin9
- slug8
- smug10
- snag7
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- song7
- spic10
- spin8
- spun9
- stun6
- such10
- suck12
- sugh9
- suit5
- sung8
- sunk10
- sunn7
- suns6
- surf8
- swig9
- sync10
- tics7
- tiff10
- ting7
- tins5
- tuff11
- tugs7
- tuis5
- tung8
- tuns6
- ughs9
- unai6
- unci9
- unco9
- unit6
- uric8
- urns6
- vigs10
- vugs11
- wigs9
- wing10
- wins8
- yins7
- zigs15
- zinc17
- zing16
- zins14