4 letters
- huff13
- hugs9
- huic10
- hung10
- huns8
- ices7
- ichs9
- icon8
- iffy12
- iglu8
- ilks9
- ills6
- inch10
- info8
- inks9
- inly8
- inns6
- ions5
- isle5
- jiff19
- jigs15
- jins14
- jugs16
- kifs11
- kiln10
- king11
- kins9
- lacs8
- lags7
- laic8
- lain6
- lang8
- legs7
- leis5
- lens6
- libs8
- lice8
- lich10
- lick12
- lids6
- lief8
- lien6
- lies5
- lieu6
- life8
- lift8
- limn9
- line6
- ling8
- link10
- linn7
- lino6
- lins6
- lint6
- liny8
- lion6
- lips8
- lisp8
- list5
- lits5
- litu6
- loci8
- logs7
- loin6
- long8
- luce9
- luck13
- lues6
- luff12
- luge8
- lugs8
- lums9
- luna7
- lune7
- lung9
- lunk11
- lunt7
- luny9
- lush8
- lust6
- luvs10
- miff13
- migs9
- mils8
- muff14
- mugs10
- muni9
- muns9
- nags7
- naif8
- nail6
- neif8
- nibs8
- nice8
- nick12
- nigh9
- nill7
- nils6
- nims8
- nips8
- nisi5
- nits5
- nogs7
- noil6
- nous6
- nubs9
- null8
- nuns7
- nurl7
- nuts6
- offs10
- oils5
- onus6
- pfui11
- pics10
- pigs9
- ping10
- pins8
- plug11
- plus9
- puff14
- pugs10
- puli9
- puls9
- pung11
- puns9
- quin15
- riff10
- rifs7
- rigs6
- ring7
- rins5
- ruff11
- rugs7
- ruin6
- rung8
- runs6
- sail5
- sain5
- sang7
- saul6
- scag9
- scan8
- scud9
- scum11
- scup11
- scut8
- seif7
- self8
- shin7
- shul8
- shun8
- sial5
- sice7
- sick11
- sics7
- sift7
- sigh8
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- sine5
- sing7
- sinh7
- sink9
- sins5
- skin9
- slag7
- slid6
- slim8
- slip8
- slit5
- slog7
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smug10
- snag7
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- soil5
- soli5
- song7
- soul6
- spic10
- spin8
- spun9
- stun6
- such10
- suck12