4 letters
- sips7
- sire4
- sirs4
- sits4
- skas8
- skin9
- skis8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- soar4
- sons5
- sora4
- sori4
- sorn5
- span8
- spar7
- spas7
- spic10
- spin8
- sris4
- star4
- stir4
- suns6
- sura5
- swan8
- sync10
- tain5
- tans5
- tarn5
- tars4
- tass4
- tics7
- tins5
- tsar4
- unai6
- unci9
- uric8
- urns6
- ursa5
- vacs11
- vain9
- vair8
- vans9
- vara8
- vars8
- vasa8
- vina9
- visa8
- wain8
- wair7
- wans8
- warn8
- wars7
- wins8
- wiss7
- yarn7
- yins7
- zinc17
- zins14