bbbb bbdd bbdo bd-r bdii bdmi bdrm bibb bibi bibo bidi bido bidr bimo bio- bioi biot birb bird biri biro birr birt bitd bito bitt bmdb bmir bmmi bobb bobi bobo bodb bodi bodo boi- boid boii boim boit bomb bomi bomt boob bood boom boor boot bor- bord bori borm boro borr bort botb botd boti boto bott brdm brdo brdt brid brim brio brit brob brod brom broo bror brot brrm brrr btdt btob btor btrt bttb d-bo dbit dbtt dddd ddot dibb dibo didi dido diii dimi dimm dimo dior diot dird dirr dirt diti dito ditt dmdt dmrb dobb dobi dod- dodd dodi dodo doid doit domb domi domm domo doob dood doom door doot dord dori dorm doro dorr dort dotd doti doto dott drib drit drob drod drom drot dtor dtot ibbm ibdo ibid ibim ibot ibrd ibri ibro ibtb idbm iddm iddo idid idio idir idro iiii iiio iiit iioi iioo iitm iitr iitt imbi imdb imdi imdt imid imir imit immi immo immt imod 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 itri itto mbdb mbim mbio mddm mdii mdot mid- midi mido miii miio miit mim- mimd mimi mimo mio- mird miri miro mirr mirt mit- mitb miti mitm mito mitt mmdb mmdi mmii mmmd mmmm mmod mmor mobb mobi mobo modd modi modo moii moio moir moit momi momo moob mood moor moot morb mord mori moro mort motb motd moti motm moto mott mrbb mrbm mrdd mrmd mrtm mrtt mtbd mtbo mtom mtor mtrr mttr obbo obdt obid obit oboi obor obot obri obro obtd odbo oddd oddi odio odir odmr odom odoo odor odot oido oiii oimb oirt oiti ombo omdb omid omim omio omit omo- omoi omoo omor omri omro oobi oodi ooid oooo oord oort ootb orbb orbi orbo ordo ori- orid orio orit ormo oro- orom oror orot orri orro orto otbd otit oto- otoo otor otro otti otto rbbb rbbr rdbm rdio rib- ribo ridd ridi rido rimi rimm rimo riom riot riri riti rito ritt rob- robb robi robo robt rodd rodi rodo roid roio roir roit romb romd romi romm romo roob rood rooi room roor root rori roro rort roti roto rotr rott rrrr rtdt rtmi t-mo tbit tbrb tddb tdmi tdor tdri tibi tidd tiit timi timm timo tirb tird tiri tiro tirr titi tito titt tmbr tmro tmtt tobi tobo tobt todd todi todo todt toid toit tomb tomi tomm tomo tomt tood toom toor toot tord tori torm toro torr tort totd toti totm toto totr tott tri- trib trim trio trit trmb trmd trmi trod troi trom troo trot trtr ttbb ttim tttt