4 letters
- farm10
- faro7
- fart7
- fash9
- fast7
- fate7
- fats7
- fawn11
- feal8
- fear7
- feat7
- felt8
- feta7
- fiar7
- fiat7
- fico10
- fila8
- filo8
- flab11
- flag10
- flak12
- flam11
- flan9
- flap11
- flat8
- flaw11
- flax15
- flay10
- flea8
- flew11
- flic11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- foal8
- foam10
- foci10
- fohn10
- foil8
- fold9
- folk12
- font8
- fool8
- foot7
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foul9
- four8
- fowl11
- frae7
- frag9
- frap10
- frat7
- fray9
- fret7
- frit7
- froe7
- frog9
- from10
- frow10
- furl9
- gaol7
- ghat8
- glow10
- goal7
- goat6
- golf10
- grat6
- grot6
- grow9
- haaf9
- haar6
- hack13
- haet6
- haft9
- hail7
- hair6
- hale7
- half10
- hall8
- halm10
- halo7
- halt7
- hant7
- hard7
- hare6
- hark10
- harl7
- harm9
- harp9
- hart6
- hast6
- hate6
- hath8
- hats6
- haul8
- haut7
- hawk13
- haws9
- heal7
- hear6
- heat6
- heft9
- helo7
- herl7
- hero6
- hila7
- hilt7
- hoar6
- hoax13
- hock13
- hoer6
- hold8
- hole7
- holk11
- holm10
- holp10
- hols7
- holt7
- holy9
- hoof9
- hoot6
- hora6
- horn7
- host6
- hots6
- hour7
- howe9
- howf12
- howk13
- howl10
- hows9
- hoya8
- hula8
- hurl8
- hurt7
- hwan10
- hyla9
- iota4
- itch9
- jarl14
- jato13
- jolt14
- jota13
- jowl17
- kart8
- khaf13
- khat10
- kohl11
- kola9
- lace8
- lack12
- lacs8
- lacy10
- laic8
- lair5
- lakh11
- lard6
- lari5
- lark9
- lars5
- lash7
- last5
- late5
- lath7
- lati5
- lats5
- lawn9
- laws8
- leaf8
- lear5
- lech10
- left8
- lehr7
- liar5
- lich10
- lift8
- lira5
- load6
- loaf8
- loam8
- loan6
- loca8
- loch10
- loci8
- lock12
- loco8
- loft8
- loof8
- loot5
- lord6
- lore5