4 letters
- nowt8
- oafs7
- obis7
- offs10
- oils5
- oink9
- ones5
- onus6
- owes7
- owls8
- owns8
- owse7
- pigs9
- ping10
- pins8
- pion8
- piso7
- pois7
- pong10
- pons8
- pows10
- riff10
- rifs7
- rigs6
- ring7
- rins5
- rows7
- sago6
- sain5
- sang7
- sawn8
- scow10
- sego6
- seif7
- sewn8
- shin7
- shog8
- show9
- sift7
- sigh8
- sign7
- silo5
- sine5
- sing7
- sinh7
- sink9
- sins5
- skin9
- slog7
- slow8
- smog9
- snag7
- snaw8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snug8
- sofa7
- soft7
- soil5
- soli5
- sone5
- song7
- sons5
- soon5
- sori4
- sorn5
- sown8
- sows7
- spin8
- stow7
- sung8
- swag9
- swan8
- swig9
- swim10
- swob10
- swop10
- swot7
- tiff10
- ting7
- tins5
- toff10
- togs6
- tong7
- tons5
- town8
- tows7
- twig9
- twin8
- twos7
- vigs10
- vino9
- vows11
- waff13
- wags9
- waif10
- wain8
- wans8
- wens8
- whig11
- whin10
- wife10
- wigs9
- wind9
- wine8
- wing10
- wink12
- wino8
- wins8
- winy10
- wise7
- wish9
- wisp10
- wiss7
- wist7
- wits7
- woes7
- wogs9
- woks11
- wolf11
- wonk12
- wons8
- wont8
- woof10
- woos7
- wops10
- worn8
- wost7
- wots7
- wows10
- wyns10
- yins7
- yogi8
- yoni7
- yows9
- ywis9
- zigs15
- zing16
- zins14