eeee eefe eefl eele eely efeo effi effy efil efly eiei eile elee elef eleo eley elfe elfi elie elif elil elio elle elli ello elly eloi eloy eole eoli eolo eyey eyfi eyio eyle feel fefe feff fefi fefo feie feil feio fele felf feli fell felo feof ffee ffff ffii fief fiel fife fiff fifi fifo fiii fiil file fili fill filo fioe flee fley flii floe floo floy flye flyi fofo foie foil fole foli foll folo foly foof fool foyl fyeo fyfe fyfi fyle fyli ieie ieio iele ifel iffy ifil ifyo iiie iiii iiio iioi iioo ile- ileo ilie ilio ill- ille illi illo illy iloo ioee ioel ioii ioio iole iolo ioof iooi iooo leef leel lefe leff leie leif leil leio lele leli lell lelo lely leof leoi leye leyf lief liel life liff lifl lifo liii lile lili lill lilo lily lio- liyl llef llll lloo loei lofe loff lofi loif lole loli loll lolo loly looe loof lool loye lyef lyfe lyff lyfy lyif lyle lyly lyo- lyoe lyyf o-eo oeil oele oeye oeyo off- offe offo offy oiii oily oiyl ole- olef olei oleo oley olfe olie olio olle olli ollo olly olof olyf ooff oofy oolo oooo oyee oyly yeel yefe yeff yeie yeii yele yelf yeli yell yelo yeof yeye yeyi yeyo yfel yiff yile yili yill ylle ylli yoff yole yoli yoll yolo yoly yoof yool yoye yoyo yyfe yyff yyyy