4 letters
- figs9
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- fine8
- fins8
- fire7
- firm10
- firn8
- firs7
- fisc10
- fish9
- fist7
- fits7
- five11
- fixt14
- flab11
- flag10
- flak12
- flam11
- flan9
- flap11
- flat8
- flaw11
- flax15
- flay10
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floe8
- flub12
- flue9
- flus9
- foal8
- fobs10
- foes7
- foil8
- fora7
- forb10
- fore7
- fort7
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- fubs11
- fuel9
- full10
- furl9
- furs8
- fuse8
- gabs9
- gaes6
- gait6
- gale7
- gall8
- gals7
- garb9
- gars6
- gast6
- gate6
- gats6
- gear6
- gels7
- gelt7
- gest6
- geta6
- gets6
- gibe9
- gibs9
- gies6
- gift9
- gill8
- gilt7
- girl7
- girt6
- gist6
- gits6
- glia7
- glib10
- grab9
- grat6
- grit6
- haes6
- haet6
- haft9
- hail7
- hair6
- hale7
- half10
- hall8
- halt7
- hare6
- harl7
- hart6
- hast6
- hate6
- hats6
- heal7
- hear6
- heat6
- heft9
- heil7
- heir6
- hell8
- herb9
- herl7
- hers6
- hest6
- hets6
- hies6
- hila7
- hili7
- hill8
- hilt7
- hire6
- hist6
- hits6
- iamb10
- ibex14
- ibis7
- ices7
- idea5
- ides5
- idle6
- ikat8
- ilea5
- ilex12
- ilia5
- ilka9
- ilks9
- ills6
- illy8
- inia5
- inti5
- iota4
- ired5
- ires4
- irid5
- iris4
- irks8
- isba7
- isle5
- item7
- iwis7
- ixia11
- izar13
- jabs16
- jail14
- jarl14
- jars13
- jell15
- jest13
- jets13
- jibe16
- jibs16
- jill15
- jilt14
- kabs11
- kaes8
- kafs11
- kaif11
- kail9
- kale9
- kart8
- kats8
- kbar11
- keas8
- kefs11
- keir8
- kerb11
- kerf11
- kibe11
- kief11
- kier8
- kifs11
- kill10
- kilt9
- kirs8
- kist8
- kite8
- kits8
- kris8
- labs8