4 letters
- pint8
- piny10
- pion8
- pirn8
- pish9
- piso7
- pita7
- pith9
- plan9
- pois7
- pond9
- pone8
- pong10
- pons8
- pony10
- pooh9
- poon8
- porn8
- posh9
- prao7
- proa7
- puna9
- pyin10
- qoph18
- raia4
- rain5
- rani5
- roan5
- sain5
- shin7
- ship9
- shop9
- sinh7
- snap8
- snip8
- soap7
- soph9
- span8
- spin8
- tain5
- tapa7
- than7
- thin7
- thio6
- toph9
- topi7
- unai6
- upon9
- vain9
- vina9
- vino9
- wain8
- whap12
- whin10
- whip12
- whoa9
- whop12
- wino8
- yoni7