4 letters
- fila8
- file8
- fill9
- filo8
- fine8
- fino8
- flab11
- flag10
- flak12
- flam11
- flan9
- flap11
- flat8
- flaw11
- flax15
- flay10
- flea8
- fled9
- flee8
- flew11
- flex15
- fley10
- flip11
- flit8
- floc11
- floe8
- flog10
- flop11
- flow11
- flue9
- foal8
- foam10
- foes7
- fohn10
- foil8
- foin8
- fold9
- folk12
- fond9
- fons8
- font8
- fool8
- foot7
- fops10
- fora7
- fore7
- fort7
- foul9
- fowl11
- frae7
- frap10
- frat7
- fret7
- froe7
- fuel9
- full10
- gaen7
- gala7
- gale7
- gall8
- gane7
- gaol7
- gape9
- gate6
- gelt7
- gent7
- geta6
- glen8
- glop10
- gnat7
- goal7
- goat6
- golf10
- gone7
- haaf9
- haen7
- haet6
- haft9
- hale7
- half10
- hall8
- halo7
- halt7
- hant7
- hate6
- heal7
- heap9
- heat6
- heft9
- hell8
- helo7
- help10
- hent7
- hole7
- holp10
- holt7
- hone7
- hope9
- ilea5
- info8
- into5
- iota4
- jane14
- jape16
- jato13
- jean14
- jell15
- jeon14
- jole14
- jolt14
- jota13
- kale9
- kana9
- kane9
- kaon9
- kapa11
- kata8
- kelp12
- keno9
- kent9
- kept11
- keto8
- knap12
- knop12
- knot9
- koan9
- koel9
- kola9
- lace8
- lade6
- lain6
- lake9
- lall7
- lama8
- lame8
- lamp11
- land7
- lane6
- lang8
- lank10
- laps8
- lase5
- last5
- late5
- lath7
- lati5
- lats5
- lava9
- lave9
- lawn9
- laze14
- lead6
- leaf8
- leak9
- leal6
- lean6
- leap8
- lear5
- leas5
- leet5
- left8
- lend7
- leno6
- lens6
- lent6
- lept8
- lest5
- lets5
- leva9
- levo9
- lief8
- lien6
- life8
- lift8
- lilt6
- line6
- lino6
- lint6
- lion6
- lipa8
- lipe8
- lite5
- load6
- loaf8
- loam8
- loan6
- lobe8
- loca8
- lode6
- loft8
- loge7
- loin6
- loll7
- lone6
- long8
- loof8
- loon6
- loop8
- loot5
- lope8