bbbb bkpt bnpp bobb bobo bobu bokn boko boku bonk bonn bono bont bonu boob book boon boop boot bopp botb botn boto bott bouk boun boup bout bpot btbp btob bttb bubb bubo bubu bukk buko buku bunb bunk bunn buno bunt bunu buon but- buto butt kbbb kbbk kbbo kbbt kbbu kbkb kbkk kbko kbnn kbno kbnp kbnu kbob kbok kbon kboo kbot kbpk kbpn kbpo kbpt kbpu kbtb kbtk kbtn kbto kbtt kbub kbuk kbun kbup kbut kbuu kkbb kkbn kkbo kkbt kkkk kknb kknn kkno kknt kknu kkob kkon kkoo kkot kkpk kkpn kkpt kktk kktu kkup kkut kkuu knbb knbn knbt knbu knkk knkt knnb knnk knob knok knon knop knot knou knpb knpt kntk kntn knto kntu knub knuk knut kobb kobk kobn kobo kobu kokb kokk kokn koko kokp koku konk kono konp kont koob kook koon kooo koop koot koou kopb kopn kopp kopt kopu kotb kotk kotn koto kott kotu koub kout kouu kpbb kpkk kpno kpnp kpnt kpob kpok kpoo kpop kpou kppk kppo kppp kptn kpto kptt kpub ktbb ktbn ktbt ktbu ktkb ktkk ktkn ktko ktkt ktku ktnk ktnn ktno ktnt ktob ktok kton ktoo ktop ktot ktpk ktpo ktpt kttk kttn ktto kttp kttt kttu ktub ktun kubb kubo kubu kukk kukn kuku kunk kuno kunp kunt kunu kuok kuon kuoo kuop kupb kupt kupu kuto kutp kutt kutu kuub kuuk kuuu n-up nbbo nbpp nknt nkok nnnn nnot nntn nobo nobu noko non- nonn nono nont nonu noo- noob nook noon nooo noop noot not- noto nott noun noup nout nptn ntnu ntop ntto nubk nuku nunk nunn nuno nunt nuon nutt nutu nuuk obbo obkb obok obon obot okko okno okok okon okot okpo okto okun onkp onno onon onpt onpu ont- onto onup onut ooku oont oooo ootb ootp opo- opon oppo optn opto oto- otok oton otoo otpp otto ottu oun- out- outb outo ouu- pbpk pnkp pnon pnot pnpo pnpp pnup pobo poko poku ponk pono ponp pont pook poon poop poot pop- popo popp popt poto pott potu pouk poun poup pout pppn pppo pppp pptn pptt ptop pttk pubu puku punk puno punt punu pupu put- puto putt putu tbtp tkon tnpk tnut tobo tobt tobu toko toku tonb tonk tonn tono tonu took toon toot top- topo topp topt topu toto tott touk toun toup tout tpon tppp tptp tput ttbb tton ttop tttt tubb tubo tubu tuko tunb tunk tunn tuno tunu tupo tupu tuto tutt tutu tuuo ubbo ubon ukko ukok ukon ukup unkn unko unno unon unop untb unto unut upnp upon uppp uppu upto upup utto uttu uuno uuuu