4 letters
- prey9
- puce11
- puny11
- pyes9
- pyic12
- pyin10
- pyre9
- rein5
- repp10
- rice7
- rich9
- ripe7
- shin7
- ship9
- sice7
- sine5
- sinh7
- sipe7
- snip8
- snye7
- spec10
- spic10
- spin8
- syce9
- sync10
- syne7
- syph11
- then7
- they8
- thin7
- tine5
- tiny7
- tyin7
- tyne7
- type9
- typp12
- unci9
- vein9
- vice11
- vine9
- viny11
- when10
- whey11
- whin10
- whip12
- wich12
- wine8
- winy10
- wipe10
- wych14
- wynn11
- yeah8
- yean7
- yech11
- yelp10
- yens7
- yeti6
- yins7
- yipe9
- yips9
- yoni7
- yuch12
- zein14
- zinc17