4 letters
- sans5
- saps7
- sari4
- sash6
- sass4
- sati4
- saul6
- sawn8
- saws7
- says6
- scan8
- seas4
- seif7
- seis4
- shin7
- shun8
- sial5
- sibs7
- sics7
- sift7
- sign7
- sima7
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sits4
- skas8
- skin9
- skis8
- skua9
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snub9
- snug8
- sofa7
- sons5
- sous5
- span8
- spas7
- spin8
- spun9
- sris4
- stun6
- suba8
- subs8
- suds6
- sues5
- suit5
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- surf8
- suss5
- swan8
- tain5
- tans5
- tass4
- taus5
- tins5
- tufa8
- tuis5
- tuna6
- tuns6
- ulan7
- ulna7
- unai6
- unau7
- unci9
- unit6
- upas8
- urns6
- ursa5
- uses5
- utas5
- vain9
- vans9
- vaus9
- vina9
- visa8
- waif10
- wain8
- wans8
- wins8
- wiss7
- wuss8
- yins7
- yuan8
- zins14