bbbb bbdd bbdo bbin bd-r bdii bdin bibb bibi bibo bidi bido bidr biin bin- bind bini binn bino bint bio- bioi bion biot birb bird biri birn biro birr birt bitd bito bitt bnib bnin bnor bnrr bobb bobi bobo bodb bodi bodo boi- boid boii boin boit bond boni bonn bono bont boob bood boon boor boot bor- bord bori born boro borr bort botb botd boti botn boto bott brdo brdt brid brin brio brit brno brob brod bron broo bror brot brrr btdt btob btor btrt bttb d-bo dbit dbrn dbtt dddd ddot dibb dibo didi dido diii din- dini dinn dino dint dion dior diot dird dirr dirt diti dito ditt dntt dobb dobi dod- dodd dodi dodo doid doin doit dond doni donn dono donr dont doob dood doon door doot dord dori dorn doro dorr dort dotd doti doto dott drib drin drit drno drob drod dron drot dtnb dtor dtot i-no ibdo ibid ibon ibot ibrd ibri ibro ibtb iddo idid idin idio idir idno idon idro iiii iiio iiit iino iioi iioo iitr iitt inbd inbo ind- indi indo inid init inni inno innr ino- inoi inon inor inot inri inro intd inti intn into intr iobi iod- iodd iodo ioii ioio ioit ioni ionn iono iooi iooo iori ioto irdo iri- irid irin irio irob irod iron irri irti itdo itin itno itoi iton itoo itor itri itto n-ii nbbo nbti nddb nddo ndnt ndor ndri nibi nibo nidd nidi nido niir niit nind nini nino nion nioo niro nirt nitb niti nito nitr nndb nnit nnnn nnot nntn nobi nobo nodi nodo noib noid noin noio noir noit non- noni nonn nono nont noo- noob noon nooo noor noot nor- norb nord nori norn noro norr nort not- noti noto nott nron nrrd ntnd ntto nttr obbo obdt obid obin obit oboi obon obor obot obri obro obtd odbo oddd oddi odin odio odir odnb odon odoo odor odot oido oiii oint oion oirt oiti ondi ondo onir onit onni onno onod onon onor ont- onti onto oobi oodi ooid oont oooo oord oort ootb orbb orbi orbo ordn ordo ori- orid orin orio orit orni orno oro- oron oror orot orri orro orto otbd otin otit oto- oton otoo otor otro otti otto rbbb rbbr rdio rib- ribo ridd ridi rido riin rind rinn rino rion riot riri riti rito ritt rnbr rnin rnnt rnod rnot rntd rob- robb robi robo robt rodd rodi rodo roid roin roio roir roit rond roni rono ront roob rood rooi roon roor root rori roro rort roti rotn roto rotr rott rrrr rtdt rtnd tbit tbrb tddb tdor tdri tibi tidd tiit tind tini tinn tino tint tion tirb tird tiri tiro tirr titi tito titt tndd tobi tobo tobt todd todi todo todt toid toit tonb toni tonn tono tood toon toor toot tord tori torn toro torr tort totd toti toto totr tott tri- trib trin trio trit trno trod troi tron troo trot trtr ttbb tton tttt