bbbb bblb bffl bfpo bfpp bftt blbt blob blom bloo blop blot blou blub bluf blum blup blut bmop bmpt bobb bobo bobu boff bofu boll bolm bolo bolt bolu bomb bomp bomt bomu boob boof bool boom boop boot bopp botb boto bott bouf boul boum boup bout bpfl bpml bpot bptf btbp btlp btob bttb bubb bubo bubu buff bufo bulb bull bult bulu bum- bumb bumf bump buol but- buto butt fbom fbop ffff fftf flmb flob flom floo flop flot flou flub fluf flum fluo fobt fofo foll folo folt fomo fomp fomt foof fool foom foot fopp fotm foto fotp fott foul foup fout fpml ft-l ftlb ftop ftub fubb fubu fuff fufu full fulu fumo futo futu lftp llll lloo lmbo lmfm lob- lobb lobo loff loft loll lolo lomb lomm lomo lomp lomu loob loof lool loom loop loot lopp lopu lotl loto lott loul loum loup lout louu lpfm lpfp lpft lppl lptb ltbf ltbl luff luft lufu lull lulu lumb lumo lump lupo lupu luup mbou mfbm mfou mftf mltb mmff mmlp mmmm mmpu mobb mobo moff mofo mofu moll molo molt momo momu moob mool moop moot mopp motb motl motm moto mott motu mouf moul moup mout mplm mppf mppp mptp mtbo mtff mtlb mtom mubo muff mufu mull mulm mulo mult mulu mumm mumo mump mumu muto mutt mutu muut obbo oblu obol obot off- offo offu ofml oftp olbo ollo olmo olof olom olot oltu ombo ombu omo- omoo ompl ompt omul omuo ooff oolo oooo ootb ootp opml opo- oppo opto otfp oto- otof otoo otpp otto ottu ouff oulu out- outb outo ouu- pblu pfff pfft plff plmb plob plom ploo plop plot plou plpp pltf pltt plum plup pmmp pmmu pmpm pmpo pmut pobo poff poll polo polt polu pomo pomp pomu poof pool poop poot pop- popo popp popt potf poto pott potu pouf poul poum poup pout pplo ppml pppo pppp pptt ptbl ptmp ptol ptop publ pubu puff puft pull pulo pulp pult pulu pump pupl pupu put- puto putt putu t-mo tbtp tfot tfpt tftp tmou tmtt tobo tobt tobu toff tofo toft tofu tol- toll tolo tolt tolu tomb tomm tomo tomp tomt toof tool toom toot top- topf topo topp topt topu totm toto tott toul toum toup tout tpmt tpol tppp tptp tput ttbb ttff ttml ttop tttt ttul tubb tubo tubu tuff tufm tufo tuft tufu tull tulo tulp tulu tumb tump tumu tupo tupu tutl tuto tutt tutu tuum tuuo ubbo ublo ubtf ufpb uftp ulft ullo ulmo ulmu ulo- ulto ultt ulul ulum umb- umbo umff ummo umol umut uofl uofm uofo uoml uomo uplb uplo upml uppp uppu uptl upto upup utfo utmb utmp utto uttu uulu uutf uuuu