5 letters
- skuas10
- slain7
- slams9
- slims9
- sluff13
- slums10
- slurs7
- smarm11
- smart8
- smash10
- smear8
- smirk12
- smuts9
- snafu10
- snags8
- snail7
- snaps9
- snare6
- snark10
- snarl7
- snash8
- snaws9
- snibs9
- sniff12
- snips9
- snits6
- snubs10
- snuff13
- snugs9
- soars5
- sofar8
- sofas8
- somas8
- sonar6
- soras5
- sorns6
- sorus6
- sours6
- spams11
- spans9
- spars8
- spasm11
- spiff14
- spins9
- spurn10
- spurs9
- staff11
- stain6
- stair5
- stars5
- stiff11
- stirs5
- stria5
- strum9
- stuff12
- stums9
- stuns7
- subas9
- suers6
- sugar8
- suing9
- suint7
- suits6
- sulfa10
- sumac12
- summa12
- sumos9
- sumps12
- sunna8
- sunns8
- supra9
- surah8
- sural7
- suras6
- surds7
- surfs9
- surfy11
- surra6
- sushi8
- sutra6
- swain9
- swami11
- swans9
- swarf11
- swarm11
- swims11
- tains6
- tamis8
- tarns6
- tarsi5
- tiffs11
- train6
- trams8
- trans6
- trass5
- trims8
- truss6
- tsars5
- tufas9
- tuffs12
- tunas7
- turfs9
- turns7
- ulans8
- ulnar8
- ulnas8
- umbra12
- umiac12
- umiak13
- umiaq18
- unais7
- unarm10
- unary9
- unaus8
- unbar10
- uncia10
- unfit10
- unfix17
- unify12
- units7
- unjam19
- unman11
- unmix17
- unrig9
- unrip10
- unsay9
- uraei6
- urari6
- urase6
- urban10
- urbia9
- ureas6
- urial7
- urine7
- ursae6
- users6
- using9
- usnea7
- vairs9
- varus10
- vinas10
- virus10
- visas9
- waffs14
- waifs11
- wains9
- wairs8
- wamus12
- warms11
- warns9
- yaffs13
- yamun12
- yarns8
- yuans9
- zarfs17
- ziram17