4 letters
- sing7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sits4
- sizy15
- skas8
- skin9
- skis8
- slay7
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snye7
- sons5
- soya6
- soys6
- span8
- spas7
- spay9
- spin8
- sris4
- stay6
- sunn7
- suns6
- suss5
- swan8
- sway9
- syli7
- sync10
- syne7
- tain5
- tans5
- tass4
- tins5
- tiny7
- tyin7
- unai6
- vain9
- vans9
- vasa8
- vina9
- viny11
- visa8
- wain8
- wans8
- wany10
- ways9
- wins8
- winy10
- wiss7
- wynn11
- wyns10
- yagi8
- yaks10
- yams9
- yang9
- yank11
- yaps9
- yarn7
- yawn10
- yaws9
- yays8
- yean7
- yeas6
- yens7
- yids7
- yins7
- yips9
- yoni7
- yuan8
- ywis9
- zany16
- zins14