b-u bbb bbm bbn bbo bbr bbt bbu bmb bmm bmn bmo bmr bmt bmu bnb bnn bno bnr bnt bnu bob bom bon boo bor bot bou brb brm brn bro brr brt bru btb btm btn bto btr btt btu bub bum bun buo bur but buu m-o m-r mbb mbm mbo mbr mbt mbu mmb mmm mmn mmo mmr mmt mmu mnb mnm mnn mno mnr mnt mnu mob mom mon moo mor mot mou mrb mrm mrn mro mrr mrt mru mtb mtm mtn mto mtr mtt mtu mub mum mun mur mut muu nbb nbm nbn nbo nbr nbt nbu nmb nmm nmn nmo nmr nmt nmu nnb nnm nnn nno nnt nnu no- nob nom non noo nor not nou nrb nrm nrn nro nrr nrt nru ntb ntm ntn nto ntr ntt ntu nub num nun nuo nur nut nuu ob- obb obm obn obo obr obt obu om- omb omm omn omo omr omt omu on- onb onn ono onr ont onu oo- oob oom oon ooo oor oot or- orb orm orn oro orr ort oru ot- otb otm otn oto otr ott otu ou- oum oun ouo our out rbb rbm rbn rbo rbr rbt rbu rmb rmm rmn rmo rmr rmt rnb rnm rnn rno rnr rnt rnu rob rom ron roo ror rot rou rrb rrm rrn rrr rrt rru rtb rtm rtn rto rtr rtt rtu rub rum run ruo rur rut ruu tbb tbm tbn tbo tbr tbt tbu tmb tmm tmn tmo tmr tmt tmu tnb tnm tnn tno tnr tnt to- tob tom ton too tor tot tou trb trm trn tro trr trt tru ttb ttm ttn tto ttr ttt ttu tub tum tun tuo tur tut tuu ubb ubn ubo ubr ubt ubu um- umb umm umn umo umr umt umu un- unb unm unn uno unr unt unu uob uom uon uoo uor uot ur- urb urm urn uro urr urt uru utb utm utn uto utr utt utu uum uun uur uut uuu

bbbb bnor bnrr bntm bobb bobo bobu bomb bomt bomu bonn bono bont bonu boob boom boon boor boot bor- borm born boro borr bort boru botb botn boto bott boum boun bour bout brno brob brom bron broo bror brot brou brrm brrr brum brun brut btob btor btrt bttb bubb bubo bubu bum- bumb bunb bunn buno bunt bunu buon bur- burb burm burn buro burr burt buru but- buto butt mbou mmmm mmor mmun mnbb mntb mntn mobb mobo momo momu mon- monn mono mont monu moob moon moor moot morb morn moro mort moru motb motm moto mott motu moun mour mout mrbb mrbm mron mrtm mrtn mrtt mtbo mtnt mtom mtor mtrr mttr mubo mumm mumo mumu munn muno munt munu muon murn muro murr murt muru muto mutt mutu muut nbbo nmnt nmon nmtb nnmt nnnn nnot nntn nobm nobo nobu nom- nomo nomu non- nonn nono nont nonu noo- noob noon nooo noor noot nor- norb norm norn noro norr nort not- noto nott noun nour nout nron ntnu ntru nttm ntto nttr numb numm numt numu nunn nuno nunt nuon nurn nurr nurt nuru nutt nutu obbo obon obor obot obro ombo ombu omn- omo- omon omoo omor omro omuo onno onon onor ont- onto onur onut oont oooo oort ootb orbb orbo orbu ormn ormo orno oro- orom oron oror orot orro orto orub orum oto- oton otoo otor otro otto ottu otur oun- our- ourn ouro ourt out- outb outo ouu- rbbb rbbr rmon rmtu rnbr rnnt rnot rnut rob- robb robo robt robu romb romm romo rono ront roob room roon roor root roro rort roru rotn roto rotr rott roub roum roun rout rrrr rrum rrun rubb rubu rumb rumm rumo rumt runn runo runt ruro ruru ruto rutt rutu ruun t-mo tbrb tmbr tmnt tmou tmro tmtt tnut tobo tobt tobu tomb tomm tomo tomt tonb tonn tono tonu toom toon toor toot torm torn toro torr tort toru totm toto totr tott toum toun tour tout trmb trmu trno trom tron troo trot trou trtr trub trun trut truu ttbb tton tttt tubb tubo tubr tubu tumb tumu tunb tunn tuno tunu tuor turb turm turn turo turr turt turu tuto tutt tutu tuum tuuo ubbo ubon umb- umbo ummo umno umor umut unmr unno unon unro untb unto unum unut uomo uor- uro- urom uroo urum urun urur urut utmb utor utto uttu uuno uuuu

bo-bo bobr bombo bonon bonou bonum bonut boomb boont boorn boort booru borbo bormo born- borno bornt bornu boro- borom boron boroo borot borou borro borum borun borut botom boton botou botro bottu botun bourn bouto brmmm brobo brom- bromo bronn bront broom broon broto broun brout brrrr brumm brunn bruno brunt bruun btr-t btron bubon bumbo bumbu bunun bunut buono burn- burnt buron buroo burro burru burtt burun burut butno buto- buton butor butot butou butuo butut mboro mburu mmmmm mobor mobot mobro mombo mombu momot monno mono- monon monor monro monto montt montu moorn mooro mooto morbo mormo moron moror morou morro morum morun morut moto- moton motor motru motto mottu mount mourn mrmom mrorr mrton mt-tm mt-tn mt-tr mt-tt mtoto mtron mumbo mummu mumun munnt munot munro munto murom muron muror murot murro murru murum murut muto- muton mutum mutuo muuto nbomb nnooo no-no nobob nobuo nobut nommo nomo- nomom non-u nonno nonot noonu noort norbu norm- noron norro nortt norum norun notno noto- noton notto notum nourt ntoro ntoum nu-nu nunon nunun nuoro nurmo nurun nuton o-bon o-r-b oboro obout obrom omont omoon omoro omoto omout omron onmun onont onoon onorn onoto onour onout onto- ontoo ontur ooooo orbom orbot ormur ornon ornot orobo oromo orono orout orrum orton ortoo oruro orutu otomo otono ototo otour ottom ottur oubut ouoro ourno outon outro outto rmnmn rmutt rnmnt ro-ro robbo robo- robon robor robot robrt robun robur romon ronno ronto roomu rorbu roto- roton