ffff ffii fftf fiff fifi fifo fift fiii fiil fili fill filo fipp fiti fitt flii flip flit floo flop flot floy flyi flyt fofo foil foli foll folo folt foly foof fool foot fopp foti foto fotp fott foty foyl foyt ft-l ftfy ftii ftop fyfi fyli fyti iffy ifil ifit ifpo ifto ifyo iiii iiio iiit iioi iioo iiop iipf iitt ilio ilit ill- illi illo illp illt illy iloo ilot ioii ioio ioit iolo ioof iooi iooo iopl iotf ioto ipil iplo ipop ippf ippo ippy ipto itif itil itll itof itoi itol itoo ittf itto itty iypt lftp liff lifl lifo lift liii lili lill lilo lilt lily lio- lip- lipi lipl lipo lipp lipy liti litl lito litt lity liyl llll lloo loff lofi loft loif loit loli loll lolo loly loof lool loop loot lopi lopp loti lotl loto lott lpfp lpft lppl lyff lyft lyfy lyif lyit lyly lyo- lyot lyto lytt lyyf off- offo offy ofit oftp oiii oily oiti oiyl olio olit olli ollo olly olof olot olyf ooff oofy oolo oooo ootp ooty opii opio opit opo- oppi oppo oppy opti opto otfp otif otit oto- otof otoo otoy otpp otti otto oyly pfff pfft pfit pfli piff piip pil- pili pill pilo pilt pily piot pipi pipo pipp pipy pitf piti pito pitt pity piyo plff plif plio plip plit ploo plop plot ploy plpp pltf pltt plyt poff pofi poil poio poli poll polo polt poly poof pool poop poot pop- popi popo popp popt popy potf poti poto pott poty poyo ppif ppli pplo pppo pppp pptt ptol ptop pyl- pyli pyll pyo- pyot pypy pytt tfot tfpt tftp tiff tifo tift tiit till tilo tilt tily tiop tip- tipi tipo tipp tipt titi tito titp titt tiyi tiyo tlli to-y toff tofi tofo toft toil toit tol- toli toll tolo tolt toly toof tool toot top- topf topi topo topp topt toti toto tott toty toyl toyo toyt tpol tppp tptp tpyo ttff ttop ttoy tttt ttyl tyff tyft tyl- tyll tylo typ- typo typp typy tyti tyto tytt tyty yiff yift yili yill yilt yiti yitp ylli yoff yoit yoli yoll yolo yolp yoly yoof yool yoop yoot yopo yopy yott yoyo ypfl yyff yyyy