4 letters
- ogee6
- oboe7
- nope8
- open8
- ouph10
- pein8
- peon8
- peri7
- phon10
- pier7
- pine8
- ping10
- pion8
- pirn8
- pone8
- pong10
- pore7
- porn8
- pour8
- prig9
- prog9
- pugh12
- pung11
- pure8
- puri8
- repo7
- ripe7
- rope7
- roup8
- upon9
- quin15
- ruer5
- nose5
- nosh7
- nous6
- nubs9
- nuns7
- obes7
- obis7
- ones5
- onus6
- orbs7
- ores4
- ours5
- rebs7
- regs6
- reis4
- resh6
- rhos6
- rhus7
- ribs7
- rigs6
- rins5
- rise4
- robs7
- roes4
- rose4
- rubs8
- rues5
- rugs7
- runs6
- ruse5
- rush7
- sego6
- shin7
- shoe6
- shog8
- shri6
- shun8
- sigh8
- sign7
- sine5
- sing7
- sinh7
- sire4
- snib8
- snob8
- snog7
- snub9
- snug8
- sone5
- song7
- sorb7
- sore4
- sori4
- sorn5
- sour5
- suer5
- sugh9
- sung8
- sunn7
- sure5
- ughs9
- urbs8
- urns6
- user5
e -
o -
p -
q -
r -
s -