ffff fftf ffun flon floo flop flot flou fluf fluo fnuf fofo foll folo folt fono font foof fool foon foot fopp foto fotp fott foul foun foup fout ft-l ftop fuff fufu full fulu funf funt futo futu lftp llll lloo loff lofn loft loll lolo lono lont loof lool loon loop loot lopp lopu lotl loto lott loul loun loup lout louu lpfp lpft lppl ltnt luff luft lufu lull lulu lunn luno lunt lupo lupu luup n-up nfff nfon nfto nnnn nnot nntn nolf noll nolo nolp nolt non- nonn nono nont nonu noo- nool noon nooo noop noot not- noto nott noul noun noup nout nppl nptn ntfl ntfp ntnu ntof ntop ntto nuff null nunn nuno nunt nuon nutt nutu off- offo offu ofno oftp ollo olof olon olot oltu onlf onno onon onpt onpu ont- onto onup onut ooff oolo oont oooo ootp opo- opon oppo optn opto otfp oto- otof oton otoo otpp otto ottu ouff oulu oun- out- outo ouu- pfff pfft plff plnt plon ploo plop plot plou plpp pltf pltt plup pnln pnnl pnon pnot pnpo pnpp pntl pnup poff poll polo polt polu pono ponp pont poof pool poon poop poot pop- popo popp popt potf poto pott potu pouf poul poun poup pout pplo pppn pppo pppp pptn pptt ptol ptop puff puft pull pulo pulp pult pulu puno punt punu pupl pupu put- puto putt putu tfnp tfot tfpt tftp tlon tnfl tnut toff tofo toft tofu tol- toll tolo tolt tolu tonn tono tonu toof tool toon toot top- topf topo topp topt topu toto tott toul toun toup tout tpol tpon tppp tptp tput ttff ttfn tton ttop tttt ttul tuff tufo tuft tufu tull tulo tulp tulu tunn tuno tunu tupo tupu tutl tuto tutt tutu tuuo uftp ulft ullo ulno ulo- ulto ultt ulul unfp unlf unlp unno unon unop unto unut uofl uofo uplo upnp upon uppp uppu uptl upto upup utfo utto uttu uulu uuno uutf uuuu