4 letters
- fila8
- file8
- fill9
- film11
- filo8
- fils8
- find9
- fine8
- fink12
- fino8
- fins8
- fire7
- firm10
- firn8
- firs7
- five11
- fixt14
- flab11
- flag10
- flak12
- flam11
- flan9
- flap11
- flat8
- flaw11
- flax15
- flay10
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flic11
- flip11
- flit8
- floe8
- flue9
- flux16
- foal8
- foil8
- foin8
- fora7
- fore7
- frae7
- frag9
- frap10
- frat7
- fray9
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- fuel9
- full10
- furl9
- gaen7
- gain7
- gala7
- gale7
- gall8
- gane7
- gear6
- gien7
- gill8
- girl7
- girn7
- glen8
- glia7
- gnar7
- gran7
- grin7
- haaf9
- haar6
- haen7
- hail7
- hair6
- hale7
- half10
- hall8
- hare6
- harl7
- heal7
- hear6
- heil7
- heir6
- hell8
- herl7
- hern7
- hila7
- hill8
- hire6
- ibex14
- idea5
- idle6
- ilea5
- ilex12
- ilia5
- ilka9
- ills6
- illy8
- info8
- inia5
- inly8
- inro5
- ired5
- ires4
- iron5
- isle5
- ixia11
- izar13
- jail14
- jane14
- jarl14
- jean14
- jell15
- jill15
- jinx21
- kaif11
- kail9
- kain9
- kale9
- kana9
- kane9
- karn9
- keir8
- kerf11
- kern9
- kief11
- kier8
- kill10
- kiln10
- kina9
- kine9
- kirn9
- knar9
- lace8
- lade6
- laic8
- laid6
- lain6
- lair5
- lake9
- lall7
- lama8
- lame8
- land7
- lane6
- lang8
- lank10
- lard6
- lari5
- lark9
- lars5
- lase5
- late5
- lati5
- lava9
- lave9
- lawn9
- laze14
- lead6
- leaf8
- leak9
- leal6
- lean6
- leap8
- lear5
- leas5
- leer5
- left8
- lehr7
- leis5
- lend7
- leno6
- lens6
- lent6
- leva9
- liar5
- lice8
- lied6
- lief8
- lien6
- lier5
- lies5
- lieu6
- life8
- lift8
- like9
- lilt6
- lily8
- lima8
- lime8
- limn9
- line6
- ling8
- link10
- linn7