4 letters
- nibs8
- nidi6
- nigh9
- nill7
- nils6
- nisi5
- nobs8
- nodi6
- noel6
- nogg9
- nogs7
- noil6
- noir5
- nolo6
- nori5
- nows8
- nowt8
- null8
- obia7
- obis7
- obit7
- obol8
- ogle7
- oils5
- oily7
- oink9
- olio5
- olla6
- only8
- owls8
- owns8
- pili8
- pill9
- ping10
- pion8
- plow11
- poll9
- pong10
- rill6
- ring7
- roil5
- roll6
- sign7
- sill6
- silo5
- sing7
- slob8
- slog7
- slow8
- snib8
- snob8
- snog7
- snow8
- soil5
- soli5
- song7
- sown8
- swig9
- swob10
- till6
- ting7
- toil5
- toll6
- tong7
- town8
- twig9
- twin8
- vill10
- vino9
- viol9
- wail8
- wain8
- wall9
- well9
- whig11
- whin10
- wigs9
- wild9
- wile8
- will9
- wilt8
- wily10
- wind9
- wine8
- wing10
- wink12
- wino8
- wins8
- winy10
- wogs9
- wold9
- wolf11
- womb13
- wonk12
- wons8
- wont8
- wool8
- worn8
- yill8
- yogi8
- yoni7
- yowl10
- zill15
- zing16