4 letters
- irks8
- iron5
- isba7
- jibs16
- jigs15
- jins14
- jugs16
- king11
- kins9
- kips11
- kirn9
- kirs8
- knur10
- kris8
- libs8
- ling8
- lins6
- lips8
- lisp8
- lugs8
- lung9
- mibs10
- migs9
- mirs7
- mugs10
- muni9
- muns9
- nabs8
- nags7
- naps8
- nebs8
- nibs8
- nigh9
- nils6
- nims8
- nipa8
- nips8
- nisi5
- nits5
- nobs8
- nogs7
- noir5
- nori5
- nous6
- nubs9
- numb12
- nuns7
- nurd7
- nurl7
- nuts6
- obis7
- onus6
- opus8
- orbs7
- ours5
- pain8
- pair7
- pang10
- pans8
- pars7
- pegs9
- pein8
- pens8
- peri7
- pfui11
- phis9
- pian8
- pias7
- pics10
- pier7
- pies7
- pigs9
- pina8
- pine8
- ping10
- pink12
- pins8
- pint8
- piny10
- pion8
- pips10
- pirn8
- pish9
- piso7
- piss7
- pits7
- plug11
- plus9
- pois7
- pong10
- pons8
- porn8
- pour8
- prau8
- prig9
- prim10
- prog9
- pros7
- psis7
- pubs11
- puds9
- pugh12
- pugs10
- puli9
- puls9
- puna9
- pung11
- punk13
- puns9
- punt9
- puny11
- pups11
- pure8
- puri8
- purl9
- purr8
- purs8
- push10
- puss8
- puts8
- pyin10
- quin15
- quip17
- ragi6
- rags6
- rain5
- rang7
- rani5
- raps7
- rasp7
- rebs7
- regs6
- rein5
- reis4
- reps7
- rhus7
- rias4
- ribs7
- rids5
- rifs7
- rigs6
- rims7
- rind6
- ring7
- rink9
- rins5
- ripe7
- rips7
- rise4
- risk8
- robs7
- roup8
- rube8
- rubs8
- ruby10
- rues5
- ruga7
- rugs7
- ruin6
- rump11
- rums8
- rune6
- rung8
- runs6
- runt6
- ruse5
- rush7
- rusk9
- rust5
- ruts5
- sain5
- sang7
- sari4
- scup11
- shin7
- ship9
- shri6
- shun8
- sibb10
- sibs7
- sigh8
- sign7
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- skin9
- skip11
- slip8
- slub9
- slug8
- slur6
- smug10
- snag7