bbbb bbdd bbdo bbin bbox bd-r bdii bdin bibb bibi bibo bidi bido bidr bidx biin bin- bind bini binn bino bio- bioi bion biox birb bird biri birn biro birr birx bixi bnib bnin bnor bnrr bobb bobi bobo bodb bodi bodo boi- boid boii boin bond boni bonn bono boob bood boon boor boox bor- bord bori born boro borr brdo brid brin brio brix brno brob brod bron broo bror brox brrr d-bo d-ix dbrn dddd dibb dibo didi dido diii din- dini dinn dino dion dior dird dirr dixi dnix do-x dobb dobi dod- dodd dodi dodo doid doin doix dond doni donn dono donr doob dood doon door dord dori dorn doro dorr drib drin drix drno drob drod dron dxbn dxbr dxdr dxii dxix dxnd dxrd dxrr dxrx dxxr dxxx i-no ibdo ibid ibon ibox ibrd ibri ibro iddo idid idin idio idir idno idnx idon idro iiii iiio iino iioi iioo inbd inbo ind- indi indo inid inni inno innr ino- inoi inon inor inox inri inro inxd iobi iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iori irdo iri- irid irin irio irix irob irod iron irri ixxi n-ii nbbo nddb nddo ndor ndri nibi nibo nidd nidi nido niir nind nini nino nion nioo niro nixi nndb nnnn nobi nobo nodi nodo noib noid noin noio noir noix non- noni nonn nono nonx noo- noob noon nooo noor nor- norb nord nori norn noro norr nron nrrd nxdn obbo obid obin obix oboi obon obor obox obri obro odbo oddd oddi odin odio odir odnb odon odoo odor oido oiii oion ondi ondo onir onix onni onno onod onon onor oobi oodi ooid oooo oord orbb orbi orbo ordn ordo ori- orid orin orio orix orni orno oro- oron oror orri orro oxi- oxid oxo- oxon oxox oxxo rbbb rbbr rdio rib- ribo ridd ridi rido ridx riin rind rinn rino rion riri rixo rnbr rnin rnod rob- robb robi robo rodd rodi rodo roid roin roio roir rond roni rono roob rood rooi roon roor roox rori roro roxo rrrr xbin xbox xdin xibo xidi xiii xion xixi xorn xoro xoxo xrdb xrod xxii xxix xxxi xxxo xxxx