4 letters
- aper7
- bren8
- earn5
- erne5
- erns5
- fern8
- hern7
- kern9
- nape8
- neap8
- near5
- neep8
- nerd6
- nope8
- open8
- pane8
- pare7
- pean8
- pear7
- peen8
- peer7
- pein8
- pend9
- pens8
- pent8
- peon8
- peri7
- perk11
- perm10
- perp10
- pert7
- pier7
- pine8
- pirn8
- pone8
- pore7
- porn8
- pree7
- prep10
- prex14
- prey9
- prez16
- pure8
- pyre9
- rape7
- reap7
- rein5
- rend6
- rent5
- repo7
- repp10
- reps7
- ripe7
- rope7
- rune6
- tern5
- wren8
3 letters
- ane4
- ape6
- are3
- ben7
- cep9
- den5
- ear3
- end5
- eng6
- ens4
- eon4
- era3
- ere3
- erg5
- ern4
- err3
- ers3
- fen7
- fer6
- gen6
- hen6
- hep8
- her5
- ire3
- ken8
- kep10
- men7
- nae4
- nap7
- neb7
- nee4
- net4
- new7
- nip7
- nor4
- one4
- ope6
- ore3
- pan7
- par6
- pea6
- pec9
- ped7
- pee6
- peg8
- peh8
- pen7
- pep9
- per6
- pes6
- pet6
- pew9
- pie6
- pin7
- pro6
- pry8
- pun8
- pur7
- pye8
- ran4
- rap6
- reb6
- rec6
- red4
- ree3
- ref6
- reg5
- rei3
- rem6
- rep6
- res3
- ret3
- rev7
- rex10
- rin4
- rip6
- roe3
- rue4
- run5
- rye5
- sen4
- ser3
- ten4
- urn5
- wen7
- yen6
- yep8