4 letters
- fems10
- fere7
- fern8
- feta7
- fete7
- fiar7
- fiat7
- fice10
- fief10
- fife10
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- fine8
- fire7
- firm10
- firn8
- firs7
- five11
- flab11
- flag10
- flak12
- flam11
- flan9
- flap11
- flat8
- flaw11
- flax15
- flay10
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floe8
- flop11
- flue9
- foal8
- foam10
- foil8
- fora7
- fore7
- form10
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- from10
- fuel9
- fume11
- furl9
- gale7
- game9
- gamp12
- gape9
- gear6
- germ9
- gimp12
- girl7
- glee7
- glia7
- glim10
- gram9
- gree6
- grim9
- grip9
- haem9
- hail7
- hair6
- hale7
- half10
- halm10
- hame9
- hare6
- harl7
- harm9
- harp9
- heal7
- heap9
- hear6
- heel7
- heil7
- heir6
- helm10
- help10
- heme9
- hemp12
- here6
- herl7
- herm9
- hila7
- hili7
- hire6
- iamb10
- idea5
- idem8
- idle6
- ilea5
- ilex12
- ilia5
- ilka9
- imam10
- imid8
- impi10
- imps10
- inia5
- ired5
- ires4
- irid5
- iris4
- isle5
- item7
- ixia11
- izar13
- jail14
- jape16
- jarl14
- jeep16
- jeer13
- jefe16
- jimp19
- kaif11
- kail9
- kale9
- kame11
- kami11
- keef11
- keel9
- keep11
- keir8
- kelp12
- kemp14
- kepi11
- kerf11
- kief11
- kier8
- lace8
- lade6
- laic8
- laid6
- lain6
- lair5
- lake9
- lama8
- lamb11
- lame8
- lamp11
- lams8
- lane6
- laps8
- lard6
- lari5
- lark9
- lars5
- lase5
- late5
- lati5
- lave9
- laze14
- lead6
- leaf8
- leak9
- leal6
- lean6
- leap8
- lear5
- leas5
- leek9
- leer5
- lees5
- leet5
- left8
- lehr7
- leis5
- leke9
- lept8
- leva9
- liar5
- lice8
- lied6
- lief8
- lien6
- lier5
- lies5
- lieu6
- life8