4 letters
- fife10
- figs9
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- find9
- fine8
- fink12
- fino8
- fins8
- fire7
- firm10
- firn8
- firs7
- fisc10
- fish9
- fist7
- fits7
- five11
- fixt14
- flan9
- flax15
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flue9
- flus9
- flux16
- foal8
- fobs10
- foci10
- foes7
- fogs9
- fohn10
- foil8
- foin8
- fold9
- folk12
- fond9
- fons8
- font8
- fool8
- fops10
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foss7
- foul9
- four8
- fowl11
- foxy16
- foys9
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- frog9
- from10
- frow10
- fuel9
- funs9
- furl9
- furs8
- fuse8
- gees6
- gels7
- gene7
- gens7
- gien7
- gies6
- gins7
- girl7
- girn7
- giro6
- glee7
- glen8
- goer6
- goes6
- golf10
- gone7
- gore6
- gree6
- grin7
- heel7
- heil7
- heir6
- helo7
- hens7
- here6
- herl7
- hern7
- hero6
- hers6
- hies6
- hins7
- hire6
- hisn7
- hoer6
- hoes6
- hole7
- hols7
- hone7
- hons7
- horn7
- hose6
- ibex14
- ices7
- icon8
- ides5
- idle6
- idol6
- ikon9
- ilea5
- ilex12
- ilks9
- ills6
- info8
- inks9
- inly8
- inns6
- inro5
- into5
- ions5
- ired5
- ires4
- iris4
- irks8
- iron5
- isle5
- jeer13
- jees13
- jefe16
- jeon14
- jins14
- jinx21
- joes13
- join14
- jole14
- keef11
- keel9
- keen9
- kefs11
- keir8
- keno9
- kens9
- kerf11
- kern9
- kief11
- kier8
- kifs11
- kiln10
- kilo9
- kine9
- kino9
- kins9
- kirn9
- kirs8
- knee9
- koel9
- kois8
- kore8
- kors8
- kris8
- lain6
- lair5
- lane6
- lari5
- lars5
- lase5
- leaf8
- lean6
- lear5
- leas5
- leek9
- leer5
- lees5
- leet5
- left8
- legs7