4 letters
- firn8
- firs7
- five11
- fled9
- flee8
- foin8
- fond9
- forb10
- ford8
- fore7
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- fund10
- geed7
- gene7
- gibe9
- gied7
- gien7
- gird7
- girn7
- gree6
- grid7
- grin7
- hebe9
- heed7
- heir6
- herb9
- herd7
- here6
- hern7
- hide7
- hied7
- hind8
- hire6
- ibex14
- iced8
- idea5
- idem8
- ides5
- idle6
- inby10
- info8
- inro5
- ired5
- ires4
- irid5
- iron5
- jeed14
- jeer13
- jefe16
- jibe16
- keef11
- keen9
- keir8
- kerb11
- kerf11
- kern9
- kibe11
- kief11
- kier8
- kind10
- kine9
- kirn9
- knee9
- leer5
- lend7
- lied6
- lief8
- lien6
- lier5
- life8
- line6
- lire5
- meed8
- mend9
- mere7
- mien8
- mind9
- mine8
- mire7
- nabe8
- naif8
- nard6
- near5
- nebs8
- need6
- neem8
- neep8
- neif8
- nene6
- nerd6
- neve9
- nevi9
- nibs8
- nice8
- nide6
- nidi6
- nine6
- nite5
- nixe12
- node6
- nodi6
- noir5
- nori5
- nude7
- nurd7
- peed8
- peen8
- peer7
- pein8
- pend9
- peri7
- pied8
- pier7
- pine8
- pirn8
- pree7
- raid5
- rain5
- rand6
- rani5
- read5
- rebs7
- redd6
- rede5
- redo5
- reds5
- reed5
- reef7
- reek8
- reel5
- rees4
- refs7
- reft7
- reif7
- rein5
- reis4
- rend6
- rent5
- rete4
- ribs7
- rice7
- ride5
- rids5
- riel5
- rife7
- riff10
- rifs7
- rift7
- rile5
- rime7
- rind6
- ring7
- rink9
- rins5
- ripe7
- rise4
- rite4
- rive8
- robe7
- rode5
- rube8
- rude6
- rued6
- ruin6
- rune6
- rynd8
- seed5
- seen5
- seer4
- seif7
- send6
- sene5
- sere4
- serf7
- side5
- sine5
- sire4
- sned6
- snib8
- teed5
- teen5
- tend6
- tern5
- tide5
- tied5
- tier4
- tine5
- tire4
- tree4
- tref7
- unbe9
- unde7
- veer8
- vein9