-up b-p b-u bbb bbk bbm bbn bbo bbp bbr bbu bkb bkk bkm bkn bko bkp bkr bmb bmk bmm bmn bmo bmp bmr bmu bnb bnk bnn bno bnp bnr bnu bob bok bom bon boo bop bor bou bpb bpm bpn bpo bpp bpr bpu brb brk brm brn bro brp brr bru bub buk bum bun buo bup bur buu kbb kbk kbm kbn kbo kbp kbr kbu kkb kkk kkm kkn kkp kkr kku kmb kmk kmm kmo kmp kmu kn- knk knm knn kno knp knr knu kob kok kom kon koo kop kor kou kpk kpm kpn kpo kpp kpr kpu krk krn kro krp krr kru kub kuk kum kun kup kur kuu m-o m-r mbb mbk mbm mbo mbp mbr mbu mkb mkk mkm mkn mko mkp mkr mku mmb mmk mmm mmn mmo mmp mmr mmu mnb mnk mnm mnn mno mnp mnr mnu mob mok mom mon moo mop mor mou mpb mpk mpm mpn mpo mpp mpr mpu mrb mrk mrm mrn mro mrp mrr mru mub muk mum mun mup mur muu nbb nbk nbm nbn nbo nbp nbr nbu nkk nkm nkn nko nkp nkr nku nmb nmk nmm nmn nmo nmp nmr nmu nnb nnk nnm nnn nno nnp nnu no- nob nok nom non noo nop nor nou npb npm npn npo npp npr npu nrb nrk nrm nrn nro nrp nrr nru nub nuk num nun nuo nup nur nuu ob- obb obk obm obn obo obp obr obu okb okk oko okp okr oku om- omb omm omn omo omp omr omu on- onb onk onn ono onp onr onu oo- oob ook oom oon ooo oop oor op- opb opk opm opn opo opp opr or- orb ork orm orn oro orp orr oru ou- ouk oum oun ouo oup our p-p pbb pbk pbm pbn pbo pbp pbr pbu pkb pkm pkn pko pkp pkr pku pmb pmk pmm pmn pmo pmp pmr pmu pn- pnb pnk pnm pnn pno pnp pnr pnu pob pok pom pon poo pop por pou ppb ppk ppm ppn ppo ppp ppr ppu prb prk prm prn pro prp prr pru pub puk pum pun pup pur puu rbb rbk rbm rbn rbo rbp rbr rbu rkb rkk rkm rko rkp rku rmb rmm rmn rmo rmp rmr rnb rnm rnn rno rnp rnr rnu rob rok rom ron roo rop ror rou rpb rpk rpm rpn rpo rpp rpr rpu rrb rrk rrm rrn rrp rrr rru rub ruk rum run ruo rup rur ruu ubb ubk ubn ubo ubp ubr ubu ukb ukk ukn ukp ukr uku um- umb umm umn umo ump umr umu un- unb unk unm unn uno unp unr unu uob uok uom uon uoo uop uor up- upb upk upm upn upo upp upr upu ur- urb urk urm urn uro urp urr uru uum uun uur uuu

bbbb bbpr bkpr bmop bnor bnpp bnrr bobb bobo bobu bokn boko boku bomb bomp bomu bonk bonn bono bonu boob book boom boon boop boor bopp bor- bork borm born boro borr boru bouk boum boun boup bour bpmn brkb brno brob brok brom bron broo bror brou brrm brrr brum brun brup bubb bubo bubu bukk buko buku bum- bumb bump bunb bunk bunn buno bunu buon bur- burb burk burm burn buro burp burr buru kbbb kbbk kbbm kbbo kbbr kbbu kbkb kbkk kbko kbkr kbmb kbmo kbmp kbmr kbnn kbno kbnp kbnr kbnu kbob kbok kbon kboo kbpk kbpn kbpo kbpr kbpu kbrb kbrk kbrn kbro kbru kbub kbuk kbun kbup kbur kbuu kkbb kkbn kkbo kkbr kkkk kkmk kkmo kkmp kkmr kknb kknm kknn kkno kknu kkob kkon kkoo kkor kkpk kkpn kkrb kkrk kkrn kkro kkrr kkup kkuu kmbr kmkk kmko kmmk kmmm kmmo kmmr kmnb kmnr kmob kmok kmom kmon kmor kmou kmpb kmpo kmpr kmrb kmrn kmro kmrr kmun kmur knbb knbn knbr knbu knkk knmb knnb knnk knnr knob knok knom knon knop knor knou knpb knpr knrb knrk knro knub knuk knur kobb kobk kobn kobo kobr kobu kokb kokk kokn koko kokp kokr koku komb komo komp komr konk kono konp koob kook koon kooo koop koor koou kopb kopn kopp kopr kopu korb kork korn koro korr koru koub koum kour kouu kpbb kpbm kpbr kpkk kpkr kpmb kpmo kpmp kpmr kpno kpnp kpob kpok kpoo kpop kpou kppk kppo kppp kppr kprb kprk kprm kprn kpro kprp kprr kpru kpub kpum kpur krbb krbk krbm krbr krkk krkn krko krkr krku krmb krmn krmo krmp krmr krnb krnk krnm krnn krno krnp krnu krob krok krom kroo krop kror krpm krpr krpu krrb krrk krrm krrn krro krrr kruk krum krun krup krur kubb kubo kubr kubu kukk kukn kuku kumm kumo kump kumr kumu kunk kunm kuno kunp kunr kunu kuok kuon kuoo kuop kupb kupr kupu kurb kurk kurm kuro kurr kuru kuub kuuk kuur kuuu mbou mknk mmmm mmor mmpr mmpu mmrp mmun mnbb mnop mnpo mobb mobo moko momo momu mon- monk monn mono monu moob mook moon moop moor mopp morb mork morn moro moru mouk moun moup mour mppp mpro mprp mrbb mrbm mrkr mron mruk mubo muko mumm mumo mump mumu munk munn muno munu muon murk murn muro murr muru n-up nbbo nbpp nkok nkor nkum nmon nnnn nnpr nobm nobo nobu noko nom- nomo nomu non- nonn nono nonu noo- noob nook noon nooo noop noor nor- norb nork norm norn noro norr noun noup nour nprm nron nrpn nubk nuku numb numm nump numu nunk nunn nuno nuon nurn nurp nurr nuru nuuk obbo obkb obok obon obor obro okko okmo okno okok okom okon okor okpo okro okun okur ombo ombu omn- omo- omon omoo omor omro omuo onkp onno onon onor onpu onup onur ooku oooo opo- opon opor oppo orbb orbo orbu orko ormn ormo orno oro- orok orom oron oror orro orub