4 letters
- fems10
- feod8
- fere7
- fern8
- feta7
- fiar7
- fiat7
- fice10
- fico10
- fido8
- fief10
- fife10
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- fine8
- fino8
- fire7
- firm10
- firn8
- firs7
- five11
- fizz25
- flab11
- flag10
- flak12
- flam11
- flan9
- flap11
- flat8
- flaw11
- flax15
- flay10
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flue9
- foal8
- foam10
- foci10
- foes7
- foil8
- foin8
- fold9
- folk12
- fool8
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foul9
- four8
- fowl11
- fozy18
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- frog9
- from10
- frow10
- fuel9
- fume11
- furl9
- fuze17
- gale7
- game9
- gaol7
- gaze15
- gear6
- germ9
- girl7
- giro6
- glia7
- glim10
- glom10
- goal7
- goer6
- golf10
- gore6
- gram9
- grim9
- haem9
- hail7
- hair6
- hale7
- half10
- halm10
- halo7
- hame9
- hare6
- harl7
- harm9
- haze15
- heal7
- hear6
- heil7
- heir6
- helm10
- helo7
- herl7
- herm9
- hero6
- hila7
- hire6
- hoar6
- hoer6
- hole7
- holm10
- home9
- hora6
- iamb10
- idea5
- idem8
- idle6
- idol6
- ilea5
- ilex12
- ilia5
- ilka9
- imam10
- info8
- inro5
- iota4
- ired5
- ires4
- iron5
- isle5
- item7
- izar13
- jail14
- jarl14
- jiao13
- jole14
- kaif11
- kail9
- kale9
- kame11
- kami11
- keir8
- kerf11
- kief11
- kier8
- kilo9
- koel9
- kola9
- kore8
- lace8
- lade6
- laic8
- laid6
- lain6
- lair5
- lake9
- lama8
- lamb11
- lame8
- lamp11
- lams8
- lane6
- lard6
- lari5
- lark9
- lars5
- lase5
- late5
- lati5
- lave9
- laze14
- lazy16
- lead6
- leaf8
- leak9
- leal6
- lean6
- leap8