4 letters
- fife10
- fine8
- fino8
- fire7
- firn8
- flan9
- flat8
- flea8
- flee8
- floe8
- foal8
- foam10
- foes7
- fohn10
- foin8
- fond9
- fons8
- font8
- foot7
- fora7
- forb10
- ford8
- fore7
- fork11
- form10
- fort7
- four8
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- frit7
- froe7
- frog9
- from10
- frow10
- gaen7
- gaff12
- gane7
- gate6
- gear6
- gene7
- gent7
- geta6
- gnar7
- gnat7
- goat6
- goer6
- gone7
- gore6
- gran7
- grat6
- gree6
- grot6
- haen7
- haet6
- haft9
- hant7
- hare6
- hart6
- hate6
- hear6
- heat6
- heft9
- hent7
- here6
- hern7
- hero6
- hoar6
- hoer6
- hone7
- hora6
- horn7
- info8
- inro5
- into5
- iota4
- iron5
- jane14
- jato13
- jean14
- jeer13
- jefe16
- jeon14
- jete13
- jota13
- kane9
- kaon9
- karn9
- kart8
- keef11
- keen9
- keet8
- keno9
- kent9
- kerf11
- kern9
- keto8
- knar9
- knee9
- knot9
- koan9
- kore8
- lane6
- late5
- leaf8
- lean6
- lear5
- leer5
- leet5
- left8
- leno6
- lent6
- loaf8
- loan6
- loft8
- lone6
- lore5
- lorn6
- lota5
- mane8
- mano8
- mare7
- mart7
- mate7
- mean8
- meat7
- meet7
- meno8
- mere7
- meta7
- mete7
- moan8
- moat7
- mora7
- more7
- morn8
- mort7
- mote7
- nabe8
- naif8
- name8
- naoi5
- naos5
- nape8
- narc8
- nard6
- nark9
- nary7
- nave9
- neap8
- near5
- neat5
- need6
- neem8
- neep8
- neif8
- nema8
- nene6
- neon6
- nerd6
- nest5
- nets5
- nett5
- neve9
- newt8
- next12
- nite5
- node6
- noel6
- noes5
- noir5
- noma8
- nome8
- nona6
- none6
- nope8
- nori5
- norm8
- nose5
- nota5
- note5
- nova9
- nowt8
- oafs7
- oars4
- oast4
- oath6
- oats4
- odea5
- ofay9
- offs10
- ogee6
- ogre6
- okra8
- olea5
- omen8