5 letters
- sling9
- slink11
- sluff13
- slugs9
- slung10
- slunk12
- snafu10
- snail7
- sniff12
- snuff13
- snugs9
- spiff14
- stiff11
- sting8
- stuff12
- stung9
- suing9
- suint7
- sulci10
- sulfa10
- sulfo10
- swing11
- swung12
- tiffs11
- tings8
- tuffs12
- tungs9
- ulans8
- ulnas8
- unais7
- unfit10
- unfix17
- unify12
- units7
- unlit8
- unrig9
- until8
- using9
- wings11
- zings17