4 letters
- fice10
- fico10
- fido8
- fids8
- fief10
- fife10
- figs9
- file8
- filo8
- fils8
- fine8
- fink12
- fino8
- fins8
- fire7
- firs7
- fisc10
- fish9
- fist7
- fits7
- five11
- fixt14
- flic11
- flit8
- floc11
- floe8
- fobs10
- foci10
- foes7
- fogs9
- fohn10
- foil8
- foin8
- folk12
- fons8
- font8
- foot7
- fops10
- fore7
- fork11
- fort7
- foss7
- foys9
- fret7
- frit7
- froe7
- fuci11
- fuck15
- fuse8
- fuss8
- fyce12
- fyke13
- geck13
- gest6
- gets6
- ghis8
- gies6
- gift9
- gist6
- gits6
- goes6
- gosh8
- hack13
- haes6
- haet6
- haft9
- haik10
- hake10
- hast6
- hate6
- hats6
- heat6
- heck13
- heft9
- hehs8
- heil7
- heir6
- helo7
- hems9
- hens7
- hent7
- hero6
- hers6
- hest6
- heth8
- hets6
- hews9
- hick13
- hide7
- hied7
- hies6
- hike10
- hilt7
- hins7
- hint7
- hips9
- hire6
- hisn7
- hiss6
- hist6
- hits6
- hive10
- hobs9
- hock13
- hods7
- hoed7
- hoer6
- hoes6
- hogs8
- hoke10
- hole7
- holk11
- hols7
- holt7
- home9
- hone7
- honk11
- hons7
- hoof9
- hook10
- hoot6
- hope9
- hops9
- hose6
- host6
- hots6
- hove10
- howe9
- howf12
- howk13
- hows9
- hoys8
- huck14
- hues7
- huic10
- husk11
- huts7
- hyte8
- iced8
- ices7
- ichs9
- icky13
- icon8
- ides5
- ikat8
- ikon9
- ilks9
- inch10
- info8
- inks9
- into5
- ions5
- iota4
- ires4
- irks8
- isle5
- isms7
- itch9
- item7
- jess13
- jest13
- jets13
- jock20
- joes13
- joke17
- josh15
- joss13
- jots13
- kaes8
- kafs11
- kaif11
- kats8
- keas8
- keck15
- keef11
- keet8
- kefs11
- kegs10
- keir8
- keno9
- kens9
- kent9
- kepi11
- keps11
- kept11
- kerf11
- keto8
- keys10
- khaf13
- khat10
- khet10
- khis10
- kibe11
- kick15
- kids9
- kief11
- kier8
- kifs11
- kike12
- kilo9