b-u bbb bbm bbn bbo bbr bbt bbu bmb bmm bmn bmo bmr bmt bmu bmz bnb bnn bno bnr bnt bnu bnz bob bom bon boo bor bot bou boz brb brm brn bro brr brt bru brz btb btm btn bto btr btt btu btz bub bum bun buo bur but buu buz bzn bzo bzr bzu bzz m-o m-r mbb mbm mbo mbr mbt mbu mmb mmm mmn mmo mmr mmt mmu mmz mnb mnm mnn mno mnr mnt mnu mnz mob mom mon moo mor mot mou moz mrb mrm mrn mro mrr mrt mru mrz mtb mtm mtn mto mtr mtt mtu mub mum mun mur mut muu mzb mzm mzn mzt nbb nbm nbn nbo nbr nbt nbu nmb nmm nmn nmo nmr nmt nmu nmz nnb nnm nnn nno nnt nnu nnz no- nob nom non noo nor not nou noz nrb nrm nrn nro nrr nrt nru nrz ntb ntm ntn nto ntr ntt ntu ntz nub num nun nuo nur nut nuu nzb nzo nzz ob- obb obm obn obo obr obt obu om- omb omm omn omo omr omt omu omz on- onb onn ono onr ont onu oo- oob oom oon ooo oor oot or- orb orm orn oro orr ort oru orz ot- otb otm otn oto otr ott otu otz ou- oum oun ouo our out ozm ozo ozt ozu ozz rbb rbm rbn rbo rbr rbt rbu rmb rmm rmn rmo rmr rmt rnb rnm rnn rno rnr rnt rnu rnz rob rom ron roo ror rot rou roz rrb rrm rrn rrr rrt rru rtb rtm rtn rto rtr rtt rtu rtz rub rum run ruo rur rut ruu ruz rzb rzm rzo tbb tbm tbn tbo tbr tbt tbu tbz tmb tmm tmn tmo tmr tmt tmu tmz tnb tnm tnn tno tnr tnt tnz to- tob tom ton too tor tot tou toz trb trm trn tro trr trt tru trz ttb ttm ttn tto ttr ttt ttu tub tum tun tuo tur tut tuu tuz tzu 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 urz utb utm utn uto utr utt utu utz uum uun uur uut uuu uzb uzo uzu zbb zbm zbr zbt zmb zmm zmt znn zno zo- zob zom zon zoo zor zot zou zro ztm ztr zub zum zun zur zut zuz zzr zzt zzz

bbbb bnor bnrr bntm bobb bobo bobu bomb bomt bomu bonn bono bont bonu boob boom boon boor boot booz bor- borm born boro borr bort boru borz botb botn boto bott boum boun bour bout bozo brno brob brom bron broo bror brot brou broz brrm brrr brum brun brut bruz btob btor btrt bttb bubb bubo bubu bum- bumb bunb bunn buno bunt bunu bunz buon bur- burb burm burn buro burr burt buru burz but- buto butt butz buuz buzz bzou bzzt bzzz 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 motz moun mour mout mozo mozu mrbb mrbm mron mroz mrtm mrtn mrtt mtbo mtnt mtom mtor mtrr mttr mubo mumm mumo mumu munn muno munt munu munz muon murn muro murr murt muru muto mutt mutu muut muzo muzz 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 ntoz ntru nttm ntto nttr numb numm numt numu nunn nuno nunt nuon nurn nurr nurt nuru nutt nutu nutz nzmt nzrb obbo obon obor obot obro ombo ombu omn- omo- omon omoo omor omro omuo onno onon onor onoz ont- onto onur onut onzo oont oooo oort ootb orbb orbo orbu ormn ormo orno oro- orom oron oror orot oroz orro orto orub orum orzo orzu oto- oton otoo otor otro otto ottu otur oun- our- ourn ouro ourt out- outb outo ouu- ouzo ozon ozun rbbb rbbr rmon rmtu rnbr rnnt rnot rnut rob- robb robo robt robu romb romm romo rono ront roob room roon roor root rooz roro rort roru rotn roto rotr rott roub roum roun rout rouz rozz 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 tozo 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 tuzu tuzz tzum tzur tzut tzzt ubbo ubon umb- umbo ummo umno umor umut unmr unno unon unro untb unto untz unum unut unuz uomo uor- uro- urom uroo urum urun urur urut uruz utmb utor utto uttu uuno uuuu uzon uzun z-ro zmub zobo zomb zomo zon- zoo- zoom zoon zoot zorb zorn zoro zort zott zotz zozo zozu zubo zubr zubu zumo zunz zuoz zurb zurn zurr zuru zuun zuzu zzzz

bo-bo bobr bombo bonon bonou bonum bonut bonzo boomb boont boorn boort booru borbo bormo born- borno bornt bornu boro- borom boron boroo borot borou borro bortz borum borun borut borzu botom boton botou botro bottu botun bourn bouto bozon bozoo bozum brmmm brobo brom- bromo bronn bront bronz broom broon broto broun brout brrrr brumm brunn bruno brunt bruun bruzz btr-t btron bubon bumbo bumbu bunun bunut buono burn- burnt buron buroo buroz burro burru burtt burun burut butno buto- buton butor butot butou butuo