4 letters
- faro7
- fawn11
- feal8
- fear7
- feds8
- feed8
- feel8
- fell9
- felt8
- fend9
- fens8
- feod8
- fere7
- fern8
- feud9
- fiar7
- fice10
- fico10
- fido8
- fids8
- fief10
- fife10
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- find9
- fine8
- fink12
- fino8
- fins8
- fire7
- firm10
- firn8
- firs7
- five11
- flan9
- flaw11
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flue9
- foal8
- foci10
- foes7
- fohn10
- foil8
- foin8
- fold9
- folk12
- fond9
- fons8
- font8
- food8
- fool8
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foul9
- four8
- fowl11
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- frog9
- from10
- frow10
- fuel9
- fund10
- furl9
- geld8
- gied7
- gien7
- gild8
- gird7
- girl7
- girn7
- giro6
- gled8
- glen8
- glow10
- goer6
- gold8
- golf10
- gone7
- gore6
- gowd10
- gown10
- grew9
- grid7
- grin7
- grow9
- heil7
- heir6
- held8
- helo7
- herd7
- herl7
- hern7
- hero6
- hewn10
- hide7
- hied7
- hind8
- hire6
- hoed7
- hoer6
- hold8
- hole7
- hone7
- horn7
- howe9
- howf12
- howl10
- iced8
- icon8
- idea5
- idem8
- ides5
- idle6
- idly8
- idol6
- idyl8
- ikon9
- ilea5
- ilex12
- info8
- inly8
- inro5
- into5
- ions5
- ired5
- ires4
- irid5
- iron5
- isle5
- jeon14
- join14
- jole14
- jowl17
- keir8
- keno9
- kerf11
- kern9
- kief11
- kier8
- kiln10
- kilo9
- kind10
- kine9
- kino9
- kirn9
- knew12
- know12
- koel9
- kore8
- lade6
- laid6
- lain6
- lair5
- land7
- lane6
- lard6
- lari5
- lawn9
- lead6
- leaf8
- lean6
- lear5
- leer5
- left8
- lehr7
- leis5
- lend7
- leno6
- lens6
- lent6
- leud7
- levo9