4 letters
- nisi5
- nits5
- nixy14
- nogs7
- noil6
- nosy7
- nous6
- nubs9
- null8
- nuns7
- nurl7
- nuts6
- oils5
- oily7
- only8
- onus6
- opus8
- pail8
- pain8
- palp11
- pals8
- paly10
- pang10
- pans8
- paps10
- pays9
- pegs9
- pein8
- pens8
- peps10
- pfui11
- phis9
- pial8
- pian8
- pias7
- pics10
- pies7
- pigs9
- pile8
- pili8
- pill9
- pily10
- pimp13
- pina8
- pine8
- ping10
- pink12
- pins8
- pint8
- piny10
- pion8
- pipe10
- pips10
- pipy12
- pirn8
- pish9
- piso7
- piss7
- pits7
- pity9
- pixy16
- plan9
- play10
- plie8
- plop11
- ploy10
- plug11
- plum12
- plus9
- pogy11
- pois7
- pols8
- poly10
- pong10
- pons8
- pony10
- pops10
- posy9
- prig9
- psis7
- pubs11
- puds9
- pugh12
- pugs10
- pula9
- pule9
- puli9
- pull10
- pulp12
- puls9
- pump14
- puna9
- pung11
- punk13
- puns9
- punt9
- puny11
- pupa11
- pups11
- puri8
- purl9
- purs8
- push10
- puss8
- puts8
- pyas9
- pyes9
- pyic12
- pyin10
- quin15
- quip17
- rigs6
- ring7
- rins5
- rips7
- rugs7
- ruin6
- ruly8
- rung8
- runs6
- sagy8
- sail5
- sain5
- salp8
- sang7
- saul6
- scup11
- shin7
- ship9
- shul8
- shun8
- sial5
- sigh8
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sizy15
- skin9
- skip11
- slag7
- slap8
- slay7
- slid6
- slim8
- slip8
- slit5
- slog7
- slop8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smug10
- snag7
- snap8
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- snye7
- soil5
- soli5
- song7
- soul6
- soup8
- span8
- spay9
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spud9
- spue8
- spun9
- spur8
- stun6
- sugh9
- suit5
- sulk10
- sulu7
- sump11
- sung8
- sunk10