4 letters
- open8
- otic7
- ouch10
- oven9
- oxen12
- oyez15
- pech12
- pein8
- peon8
- phiz18
- phon10
- pice10
- pine8
- pion8
- pone8
- rein5
- rice7
- rich9
- shin7
- shoe6
- sice7
- sine5
- sinh7
- size13
- sone5
- then7
- thin7
- thio6
- tine5
- tone5
- unci9
- unco9
- vein9
- vice11
- vine9
- vino9
- when10
- whin10
- whiz18
- wich12
- wine8
- wino8
- yech11
- yoni7
- zein14
- zero13
- zinc17
- zing16
- zins14
- zoea13
- zoic16
- zone14
- zonk18
- zoon14
- zori13