4 letters
- fine8
- fink12
- fino8
- fins8
- firn8
- firs7
- fisc10
- fish9
- fist7
- fits7
- flab11
- flan9
- fled9
- flic11
- flip11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flub12
- flus9
- foal8
- fobs10
- foci10
- foes7
- fogs9
- fohn10
- foil8
- foin8
- fold9
- folk12
- fond9
- fons8
- font8
- food8
- fool8
- fops10
- forb10
- ford8
- foss7
- foul9
- fowl11
- foys9
- fubs11
- fuds9
- full10
- fund10
- funs9
- gibs9
- gids7
- gild8
- gill8
- gins7
- glib10
- glob10
- gobs9
- gods7
- gold8
- golf10
- hill8
- hind8
- hins7
- hisn7
- hobs9
- hods7
- hold8
- hols7
- hons7
- ibis7
- icon8
- ides5
- idle6
- idly8
- idol6
- idyl8
- ikon9
- ilks9
- ills6
- illy8
- inby10
- info8
- inks9
- inly8
- inns6
- inro5
- into5
- ions5
- iron5
- isba7
- isle5
- jibs16
- jill15
- jins14
- jobs16
- join14
- kids9
- kifs11
- kill10
- kiln10
- kilo9
- kind10
- kino9
- kins9
- knob12
- kobs11
- kois8
- labs8
- lads6
- laid6
- lain6
- land7
- leis5
- lend7
- leno6
- lens6
- libs8
- lido6
- lids6
- lied6
- lief8
- lien6
- lies5
- life8
- lift8
- lilt6
- lily8
- limb11
- limn9
- limo8
- line6
- ling8
- link10
- linn7
- lino6
- lins6
- lint6
- liny8
- lion6
- lips8
- lisp8
- list5
- lits5
- load6
- loaf8
- loan6
- lobe8
- lobo8
- lobs8
- loci8
- lode6
- loft8
- logs7
- loin6
- loll7
- lone6
- long8
- loof8
- loon6
- loos5
- lops8
- lord6
- lorn6
- lose5
- loss5
- lost5
- loti5
- lots5
- loud7
- lown9
- lows8
- mibs10
- mids8
- mild9
- mill9
- milo8
- mils8
- mind9
- miso7
- mobs10
- modi8
- mods8
- moil8
- mold9
- moll9
- mols8
- mons8
- nabs8
- naif8
- nail6
- naoi5
- naos5
- nebs8
- neif8
- nibs8
- nide6
- nidi6
- nill7
- nils6