4 letters
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- skin9
- skip11
- slap8
- slip8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- soap7
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spun9
- swan8
- swap10
- tain5
- tans5
- taps7
- tavs8
- tins5
- tips7
- unai6
- upas8
- vacs11
- vagi10
- vail9
- vain9
- vair8
- vamp14
- vane9
- vang11
- vans9
- vars8
- vasa8
- vase8
- vast8
- vats8
- vaus9
- vavs12
- vaws11
- vein9
- vena9
- vial9
- vies8
- viga10
- vigs10
- vims11
- vina9
- vine9
- vino9
- viny11
- visa8
- vise8
- vita8
- viva12
- wain8
- wans8
- waps10
- wasp10
- wins8
- wisp10
- yaps9
- yins7
- yips9
- zaps16
- zins14
- zips16