4 letters
- pins8
- pint8
- piny10
- pion8
- pipe10
- pirn8
- plan9
- plea8
- pleb11
- pled9
- plew11
- plie8
- pole8
- pone8
- puce11
- pule9
- puli9
- pyic12
- pyin10
- rein5
- rice7
- riel5
- rile5
- ripe7
- sice7
- sine5
- sipe7
- slip8
- snip8
- spec10
- spic10
- spin8
- tile5
- tine5
- tipi7
- unci9
- veil9
- vein9
- vice11
- vile9
- vine9
- wile8
- wine8
- wipe10
- yelp10
- yipe9
- zein14
- zinc17