bbbb bbdd bbdo bd-r bdii bdmi bdrm bibb bibi bibo bidi bido bidr bidu bimo bio- bioi biot biou birb bird biri biro birr birt biru bitd bito bitt bitu bmdb bmir bmmi bobb bobi bobo bobu bodb bodi bodo bodu boi- boid boii boim boit boiu bomb bomi bomt bomu boob bood boom boor boot bor- bord bori borm boro borr bort boru botb botd boti boto bott boud boum bour bout brdm brdo brdt brid brim brio brit brob brod brom broo bror brot brou brrm brrr brud brum brut btdt btob btor btrt bttb bubb bubi bubo bubu budb budd budi budo budu buid buir buit buiu bum- bumb bur- burb burd buri burm buro burr burt buru but- buti buto butt d-bo dbit dbtt dddd ddot ddub dibb dibo didi dido didu diii dimi dimm dimo dimu dior diot diou dird dirr dirt diti dito ditt dmdt dmrb dobb dobi dobu dod- dodd dodi dodo doid doit domb domi domm domo doob dood doom door doot dord dori dorm doro dorr dort doru dotd doti doto dott doub doud doum dour dout drib drit drob drod drom drot drou drub drui drum drut druu dtor dtot dub- dubb dubu dudd dudo dudu duid duir duit dumb dumi dumm duo- duri duro durt duru duur duut ibbm ibdo ibid ibim ibot ibrd ibri ibro ibtb idbm iddm iddo idid idio idir idro idub iduo iiii iiio iiit iioi iioo iitm iitr iitt iium imbi imdb imdi imdt imid imir imit immi immo immt imod imou imri imro imrr imto iobi iod- iodd iodo ioii ioio ioit iomo iooi iooo iori ioto irbm irdo iri- irid irio irmo irob irod irri irti itdo itim itmo itoi itoo itor itou itri itto itum itur iuiu mbdb mbim mbio mbou mddm mdii mdot mdud mid- midi mido miii miio miit mim- mimd mimi mimo mio- mird miri miro mirr mirt miru mit- mitb miti mitm mito mitt mitu miui mmdb mmdi mmii mmmd mmmm mmod mmor mobb mobi mobo modd modi modo modu moii moio moir moit momi momo momu moob mood moor moot morb mord mori moro mort moru motb motd moti motm moto mott motu moud mour mout mrbb mrbm mrdd mrmd mrtm mrtt mrud mtbd mtbo mtom mtor mtrr mttr mubi mubo mudd mudi mudu muid muir muit mumm mumo mumu murd muri muro murr murt muru muti muto mutt mutu muut obbo obdt obid obit oboi obor obot obri obro obtd odbo oddd oddi odio odir odiu odmr odom odoo odor odot odou odtu odum odur oido oiii oimb oirt oiti oium ombo ombu omdb omid omim omio omit omo- omoi omoo omor omri omro omuo oobi oodi ooid oooo oord oort ootb orbb orbi orbo orbu ordo ordu ori- orid orio orit ormo oro- orom oror orot orri orro orto orub orum otbd otit oto- otoo otor otro otti otto ottu otur ouii ouir ouit oumi our- ouro ourt out- outb outi outo ouu- rbbb rbbr rdbm rdio rib- ribo ribu ridd ridi rido rimi rimm rimo rimu riom riot riou riri riti rito ritt ritu rmtu rob- robb robi robo robt robu rodd rodi rodo roid roio roir roit roiu romb romd romi romm romo roob rood rooi room roor root rori roro rort roru roti roto rotr rott roub roud roum rout rrrr rrum rtdt rtmi rubb rubi rubu rudd rudi rudo ruid ruit rumb rumi rumm rumo rumt rurd ruri ruro ruru ruti ruto rutt rutu ruud t-mo tbit tbrb tddb tdmi tdor tdri tibi tibu tidd tiit tiiu timi timm timo timu tiou tirb tird tiri tiro tirr tiru titi tito titt titu tium tmbr tmou tmro tmtt tobi tobo tobt tobu todd todi todo todt todu toid toit tomb tomi tomm tomo tomt tood toom toor toot tord tori torm toro torr tort toru totd toti totm toto totr tott toui toum tour tout tri- trib trim trio trit trmb trmd trmi trmu trod troi trom troo trot trou trtr trub trud trut truu ttbb ttim tttt tubb tubo tubr tubu tudi tudu tuim tuit tuiu tumb tumi tumu tuor turb turd turi turm turo turr turt turu tuti tuto tutt tutu tuum tuuo ubbi ubbo ubid ubii ubir ubit ubod ubud uddi udid udim udir udoo udot uirr umb- umbi umbo umit ummo umor umri umut uomo uor- urbi urdu urib urim uriu urmi uro- urom uroo urri urum urur urut utid utmb utor utri utti utto uttu uuri uuuu