ffff fftf floo flot flou floy fluf fluo fluy flyt fofo foll folo folt foly foof fool foot foto fott foty foul fout foyl foyt ft-l ftfy fuff fufu full fulu futo futu fuyl fuyt fuyu llll lloo loff loft loll lolo loly loof lool loot lotl loto lott loul lout louu luff luft lufu lull lulu luyt lyff lyft lyfy lyly lyo- lyot lyto lytt lyyf off- offo offu offy ollo olly olof olot oltu olyf ooff oofy oolo oooo ooty oto- otof otoo otoy otto ottu ouff oulu out- outo outy ouu- oyly oyou tfot to-y toff tofo toft tofu tol- toll tolo tolt tolu toly toof tool toot toto tott toty toul tout toyl toyo toyt ttff ttoy tttt ttul ttyl tuff tufo tuft tufu tull tulo tulu tuly tutl tuto tutt tutu tuty tuuo tuyl tyff tyft tyl- tyll tylo tyto tytt tyty ulft ullo ully ulo- ulto ultt ulul uofl uofo utfo utoy utto uttu uulu uutf uuuu yoff yoll yolo yoly yoof yool yoot yott youf youl yout yoyo yuff yuft yufu yulo yulu yuto yutu yuty yuyu yyff yyyy