4 letters
- film11
- filo8
- fils8
- find9
- fine8
- fink12
- fino8
- fins8
- fire7
- firm10
- firn8
- firs7
- fisc10
- fish9
- fist7
- fits7
- five11
- flan9
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floc11
- floe8
- flue9
- flus9
- foci10
- foes7
- fohn10
- foil8
- foin8
- fons8
- fore7
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- fuci11
- fuel9
- funs9
- furl9
- furs8
- fuse8
- fyce12
- gels7
- gens7
- ghis8
- gien7
- gies6
- gins7
- girl7
- girn7
- glen8
- grin7
- haen7
- haes6
- hail7
- hair6
- hale7
- half10
- hare6
- harl7
- heal7
- hear6
- heck13
- heel7
- heft9
- hehs8
- heil7
- heir6
- held8
- hell8
- helm10
- helo7
- help10
- hems9
- hens7
- hent7
- herb9
- herd7
- here6
- herl7
- herm9
- hern7
- hero6
- hers6
- hest6
- hets6
- hewn10
- hews9
- hick13
- hide7
- hied7
- hies6
- hike10
- hila7
- hili7
- hill8
- hilt7
- hind8
- hins7
- hint7
- hips9
- hire6
- hisn7
- hiss6
- hist6
- hits6
- hive10
- hoer6
- hoes6
- hole7
- hols7
- hone7
- hons7
- horn7
- hose6
- hues7
- huic10
- huns8
- hurl8
- iced8
- ices7
- ichs9
- icon8
- ides5
- idle6
- ilea5
- ilex12
- ilks9
- ills6
- inch10
- info8
- inks9
- inly8
- inns6
- inro5
- ions5
- ired5
- ires4
- iris4
- irks8
- iron5
- isle5
- itch9
- jins14
- kefs11
- keir8
- kens9
- kerf11
- kern9
- khis10
- kief11
- kier8
- kifs11
- kiln10
- kine9
- kins9
- kirn9
- kirs8
- kris8
- lace8
- lacs8
- laic8
- lain6
- lair5
- lane6
- lari5
- lars5
- lase5
- lash7
- leaf8
- lean6
- lear5
- leas5
- lech10
- leer5
- lees5
- left8
- legs7
- lehr7
- leis5
- leks9
- lend7
- leno6
- lens6
- lent6
- less5
- lest5
- lets5
- leys7
- liar5