4 letters
- fash9
- fast7
- fate7
- fats7
- fave11
- fawn11
- fays9
- faze16
- feal8
- fear7
- feat7
- feck14
- feds8
- fees7
- fehs9
- feme10
- fems10
- fens8
- feod8
- fere7
- fern8
- fess7
- feta7
- fets7
- feus8
- fiar7
- fire7
- firm10
- firs7
- flak12
- flam11
- flaw11
- flea8
- flew11
- floe8
- flow11
- foal8
- foam10
- fobs10
- foes7
- fogs9
- folk12
- fons8
- fops10
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- foss7
- four8
- fowl11
- foys9
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- froe7
- frog9
- from10
- frow10
- fume11
- furs8
- fuse8
- fyke13
- gaes6
- game9
- gams9
- gars6
- gawk13
- gear6
- gems9
- germ9
- goas6
- goer6
- goes6
- gore6
- gowk13
- gram9
- grew9
- grow9
- haem9
- haes6
- hake10
- hame9
- hams9
- hare6
- hark10
- harm9
- hawk13
- haws9
- hear6
- hems9
- herm9
- hero6
- hers6
- hews9
- hoar6
- hoer6
- hoes6
- hoke10
- home9
- hora6
- hose6
- howe9
- howf12
- howk13
- hows9
- ires4
- irks8
- jake17
- jams16
- jars13
- jaws16
- jerk17
- jews16
- joes13
- joke17
- jows16
- kaas8
- kabs11
- kaes8
- kafs11
- kaif11
- kale9
- kame11
- kami11
- kane9
- kaon9
- karn9
- kart8
- kats8
- kayo10
- kays10
- kbar11
- keas8
- keef11
- kefs11
- kegs10
- keir8
- kemp14
- keno9
- kens9
- keps11
- kerb11
- kerf11
- kern9
- keto8
- keys10
- khaf13
- kief11
- kier8
- kifs11
- kirs8
- knar9
- knew12
- know12
- koan9
- koas8
- kobs11
- koel9
- kois8
- kola9
- kops11
- kore8
- kors8
- koss8
- kris8
- kues9
- kvas12
- kyar10
- lake9
- lame8
- lams8
- lark9
- lars5
- lase5
- laws8
- leaf8
- leak9
- lear5
- leas5
- leks9
- loaf8
- loam8
- lore5
- lose5
- lowe8
- lows8
- maar7
- mabe10
- mace10
- mack14
- macs10
- made8