4 letters
- fain8
- fair7
- fame10
- fane8
- fano8
- fare7
- farl8
- farm10
- faro7
- feal8
- fear7
- feck14
- feel8
- fehs9
- fell9
- felt8
- feme10
- fems10
- fend9
- fens8
- feod8
- fere7
- fern8
- fiar7
- fice10
- fico10
- fido8
- fief10
- fife10
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- find9
- fine8
- fink12
- fino8
- fins8
- fire7
- firm10
- firn8
- firs7
- fisc10
- fish9
- five11
- flam11
- flan9
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flue9
- foal8
- foam10
- foci10
- foes7
- fohn10
- foil8
- foin8
- fold9
- folk12
- fond9
- fons8
- font8
- fool8
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foul9
- four8
- fowl11
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- frog9
- from10
- frow10
- fuci11
- fuel9
- fume11
- furl9
- fyce12
- germ9
- gien7
- girl7
- girn7
- giro6
- glen8
- glim10
- glom10
- goer6
- golf10
- gone7
- gore6
- grim9
- grin7
- haem9
- haen7
- hail7
- hair6
- hale7
- half10
- halm10
- halo7
- hame9
- hare6
- harl7
- harm9
- heal7
- hear6
- heck13
- heel7
- heft9
- heil7
- heir6
- held8
- hell8
- helm10
- helo7
- help10
- heme9
- hemp12
- hems9
- hens7
- hent7
- herb9
- herd7
- here6
- herl7
- herm9
- hern7
- hero6
- hers6
- hewn10
- hick13
- hide7
- hied7
- hies6
- hike10
- hila7
- hili7
- hill8
- hilt7
- hind8
- hins7
- hint7
- hire6
- hisn7
- hive10
- hoar6
- hock13
- hoed7
- hoer6
- hoes6
- hoke10
- hold8
- hole7
- holk11
- holm10
- holp10
- hols7
- holt7
- holy9
- home9
- homo9
- homy11
- hone7
- hong9
- honk11
- hons7
- hoof9
- hope9
- hora6
- horn7
- hose6
- hour7
- hove10
- howe9
- howf12
- howl10