4 letters
- nisi5
- nits5
- nogs7
- noil6
- noms8
- oils5
- pail8
- pain8
- palm11
- pals8
- pams10
- pang10
- pans8
- pegs9
- pein8
- pens8
- phis9
- pial8
- pian8
- pias7
- pics10
- pies7
- pigs9
- piki11
- pile8
- pili8
- pill9
- pily10
- pima10
- pimp13
- pina8
- pine8
- ping10
- pink12
- pins8
- pint8
- piny10
- pion8
- pips10
- pirn8
- pish9
- piso7
- piss7
- pits7
- plan9
- plie8
- plug11
- plum12
- plus9
- pois7
- pols8
- poms10
- pong10
- pons8
- prig9
- prim10
- psis7
- pugs10
- puli9
- puls9
- pung11
- puns9
- pyin10
- rigs6
- rims7
- ring7
- rins5
- rips7
- sail5
- sain5
- salp8
- samp10
- sang7
- semi7
- shim9
- shin7
- ship9
- sial5
- sigh8
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- skim11
- skin9
- skip11
- slag7
- slam8
- slap8
- slid6
- slim8
- slip8
- slit5
- slog7
- slop8
- slug8
- slum9
- smit7
- smog9
- smug10
- snag7
- snap8
- snib8
- snip8
- snit5
- snog7
- snug8
- soil5
- soli5
- song7
- spam10
- span8
- spic10
- spik11
- spin8
- spit7
- spiv11
- spun9
- sump11
- sung8
- swig9
- swim10
- syli7
- tils5
- ting7
- tins5
- tipi7
- tips7
- umps11
- vigs10
- vims11
- wigs9
- wimp13
- wing10
- wins8
- wisp10
- yins7
- yips9
- zigs15
- zing16
- zins14
- zips16