4 letters
- firm10
- firn8
- firs7
- fisc10
- fish9
- five11
- flic11
- floc11
- floe8
- fobs10
- foci10
- foes7
- fohn10
- foil8
- foin8
- food8
- fool8
- foot7
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- four8
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- frog9
- from10
- frow10
- fuci11
- fyce12
- gibe9
- giro6
- gobo9
- goer6
- goof9
- gore6
- hair6
- hare6
- hear6
- hebe9
- heck13
- heft9
- heil7
- heir6
- helo7
- herb9
- herd7
- here6
- herl7
- herm9
- hern7
- hero6
- hers6
- hick13
- hide7
- hied7
- hies6
- hike10
- hire6
- hive10
- hoar6
- hobo9
- hobs9
- hock13
- hoed7
- hoer6
- hoes6
- hoke10
- hole7
- home9
- homo9
- hone7
- hood7
- hoof9
- hook10
- hoop9
- hoot6
- hope9
- hora6
- horn7
- hose6
- hour7
- hove10
- howe9
- howf12
- huff13
- huic10
- ibex14
- iced8
- ices7
- ichs9
- icon8
- iffy12
- inch10
- info8
- inro5
- ired5
- ires4
- iron5
- itch9
- jibe16
- jiff19
- keir8
- kerb11
- kerf11
- kibe11
- kief11
- kier8
- kobo11
- kore8
- lech10
- lehr7
- lice8
- lich10
- lief8
- lier5
- life8
- lire5
- lobe8
- lobo8
- loch10
- loci8
- loco8
- loof8
- lore5
- mice10
- miff13
- mire7
- moor7
- more7
- neif8
- nice8
- noir5
- nori5
- obes7
- obey9
- obia7
- obis7
- obit7
- oboe7
- obol8
- odic8
- odor5
- offs10
- ogre6
- ohed7
- ohia6
- okeh10
- oleo5
- olio5
- omer7
- once8
- oohs6
- ooze13
- orbs7
- orby9
- orca7
- orcs7
- ordo5
- ores4
- orle5
- orzo13
- otic7
- ouch10
- over8
- oyer6
- pech12
- peri7
- pice10
- pier7
- poco10
- poof10
- pooh9
- poor7
- pore7
- prof10
- race7
- raff10
- rebs7
- reck11
- recs7
- redo5
- reef7
- refs7
- reft7
- reif7
- rein5
- reis4
- repo7
- resh6
- rhea6
- rhos6