4 letters
- firm10
- firn8
- firs7
- fist7
- fits7
- foam10
- fobs10
- foin8
- fons8
- font8
- fora7
- forb10
- form10
- fort7
- foss7
- four8
- frat7
- frit7
- from10
- fubs11
- funs9
- furs8
- fuss8
- gabs9
- gain7
- gait6
- gama9
- gamb12
- gams9
- garb9
- gars6
- gast6
- gats6
- gaum10
- gaun8
- gaur7
- gibs9
- gins7
- girn7
- giro6
- girt6
- gist6
- gits6
- gnar7
- gnat7
- gnus8
- goas6
- goat6
- gobs9
- gout7
- grab9
- gram9
- gran7
- grat6
- grim9
- grin7
- grit6
- grot6
- grub10
- grum10
- guan8
- guar7
- gums10
- guns8
- gust7
- guts7
- haar6
- habu10
- hair6
- hams9
- hant7
- harm9
- hart6
- hast6
- hats6
- haut7
- hins7
- hint7
- hisn7
- hiss6
- hist6
- hits6
- hoar6
- hobs9
- hons7
- hora6
- horn7
- host6
- hots6
- hour7
- hubs10
- hums10
- huns8
- hunt8
- hurt7
- huts7
- iamb10
- ibis7
- icon8
- ikat8
- ikon9
- imam10
- imps10
- inby10
- info8
- inia5
- inks9
- inns6
- inro5
- inti5
- into5
- ions5
- iota4
- ires4
- iris4
- irks8
- iron5
- isba7
- isms7
- item7
- izar13
- jabs16
- jamb19
- jams16
- jars13
- jato13
- jiao13
- jibs16
- jins14
- jism16
- jobs16
- join14
- joss13
- jota13
- jots13
- juba17
- jura14
- just14
- juts14
- kaas8
- kabs11
- kain9
- kami11
- kana9
- kaon9
- karn9
- kart8
- kata8
- kats8
- kbar11
- kina9
- kino9
- kins9
- kirn9
- kirs8
- kiss8
- kist8
- kits8
- knar9
- knit9
- knob12
- knot9
- knur10
- koan9
- koas8
- kobs11
- kois8
- kors8
- koss8
- kris8
- kuna10
- labs8
- lain6
- lair5
- lama8
- lamb11
- lams8
- lari5
- lars5
- lass5
- last5
- lati5
- lats5
- liar5
- libs8
- lima8
- limb11
- limn9
- limo8
- lino6
- lins6
- lint6
- lion6
- lira5
- list5
- lits5
- litu6
- loam8
- loan6
- lobs8