4 letters
- fern8
- feta7
- fete7
- fets7
- fice10
- fico10
- file8
- film11
- filo8
- fire7
- firm10
- flam11
- flat8
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flue9
- foal8
- foam10
- foci10
- foes7
- foil8
- fold9
- folk12
- font8
- food8
- fool8
- foot7
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foul9
- four8
- fowl11
- frae7
- frat7
- free7
- fret7
- frit7
- froe7
- frog9
- from10
- frow10
- fuel9
- fume11
- furl9
- fyce12
- gelt7
- germ9
- glee7
- glom10
- goer6
- golf10
- goof9
- gore6
- gree6
- grot6
- heel7
- heft9
- helm10
- helo7
- heme9
- here6
- herl7
- herm9
- hero6
- hoer6
- hole7
- holm10
- holt7
- home9
- homo9
- hoof9
- hoot6
- item7
- jeer13
- jefe16
- jete13
- jole14
- jolt14
- keef11
- keel9
- keet8
- kerf11
- keto8
- koel9
- kolo9
- kore8
- koto8
- lace8
- lame8
- late5
- leaf8
- lear5
- lech10
- leek9
- leer5
- lees5
- leet5
- left8
- lehr7
- leke9
- leno6
- lent6
- lept8
- lest5
- lets5
- levo9
- lice8
- lief8
- lier5
- life8
- lift8
- lime8
- limo8
- lire5
- lite5
- loaf8
- loam8
- lobe8
- lobo8
- loca8
- loch10
- loci8
- lock12
- loco8
- lode6
- loft8
- loge7
- logo7
- lone6
- loof8
- look9
- loom8
- loon6
- loop8
- loos5
- loot5
- lope8
- lord6
- lore5
- lorn6
- lory7
- lose5
- lost5
- lota5
- loth7
- loti5
- lots5
- lour6
- lout6
- love9
- lowe8
- luce9
- lure6
- lute6
- lyre7
- mace10
- male8
- malt8
- marc10
- mare7
- marl8
- mart7
- mate7
- meal8
- meat7
- meed8
- meek11
- meet7
- meld9
- mell9
- mels8
- melt8
- meme10
- memo10
- meno8
- meou8
- meow10
- mere7
- merk11
- merl8
- meta7
- mete7
- meth9
- mewl11