4 letters
- ship9
- shop9
- sinh7
- snap8
- snip8
- soap7
- soph9
- soya6
- span8
- spay9
- spic10
- spin8
- sync10
- syph11
- tach9
- taco7
- tain5
- than7
- thin7
- thio6
- tiny7
- tony7
- toph9
- topi7
- tyin7
- typo9
- typy11
- unai6
- unci9
- unco9
- upon9
- vain9
- vina9
- vino9
- viny11
- wain8
- wany10
- whap12
- whin10
- whip12
- whoa9
- whop12
- wich12
- wino8
- winy10
- wych14
- wynn11
- yack13
- yagi8
- yang9
- yank11
- yaps9
- yarn7
- yaup10
- yawn10
- yawp12
- yays8
- yeah8
- yean7
- yech11
- yins7
- yipe9
- yips9
- yock13
- yodh9
- yoga8
- yogh10
- yogi8
- yond8
- yoni7
- yuan8
- yuca10
- yuch12
- zany16
- zinc17
- zoic16