bbbb bbdd bbdo bbin bblb bd-r bdii bdin bibb bibi bibl bibo bidi bido bidr biin bild bili bill bilo bin- bind bini binn bino bio- bioi biol bion birb bird biri birl birn biro birr bldr blin blio blir blni blno blob blod blon bloo bnib bnin bnor bnrr bobb bobi bobo bodb bodi bodo boi- boid boii boil boin bold boli boll boln bolo bond boni bonn bono boob bood bool boon boor bor- bord bori born boro borr brdo brid bril brin brio brno brob brod brol bron broo bror brrr d-bo dbnl dbrn dddd dibb dibo didi dido diii dili dill dilo din- dini dinn dino diol dion dior dird dirl dirr dlbd dlib dlii dlil dobb dobi dobl dod- dodd dodi dodo doid doil doin dold doli doll dolo dond doni donn dono donr doob dood dool doon door dord dori dorn doro dorr drib dril drin drno drob drod drol dron i-no ibdo ibid ibon ibrd ibri ibro iddo idid idil idin idio idir idli idno idol idon idro iiii iiio iino iioi iioo ilin ilio ilir ill- illd illi illo ilni ilno iloo inbd inbo ind- indi indo inid inni inno innr ino- inoi inol inon inor inri inro iobi iod- iodd iodo ioii ioio iolo ioni ionn iono iooi iooo iori irdo iri- irid iril irin irio irlb irob irod iron irri lblr libo libr lidb lidl lido liii liin liir lilb lili lill lilo lind linn lino lio- liod lion lior lird liri lirl lirn liro lirr lldb llll llod lloo lndn lob- lobb lobi lobo lodi loid loin loir lold loli loll lolo lond loni lono lonr loob lood lool loon loor lord lori lorn loro lrdd lroi lron lrrr n-ii nbbo nddb nddo ndor ndri nibi nibo nidd nidi nido niir nild nili nill nilo nind nini ninl nino nion nioo niro nlrb nndb nnnn nobi nobo nodi nodo noib noid noil noin noio noir nold noli noll nolo non- noni nonn nono noo- noob nool noon nooo noor nor- norb nord nori norn noro norr nrlb nron nrrd nrrl obbo obid obin oboi obol obon obor obri obro odbo oddd oddi odin odio odir odnb odon odoo odor odrl oido oiii oion olbo oldb oldn olib olid olin olio olli ollo olon olor ondi ondo onil onir onni onno onod onon onor oobi oodi ooid oold oolo oooo oord orbb orbi orbo ordn ordo ori- orid oril orin orio orlo orni orno oro- oron oror orri orro rbbb rbbr rdio rib- ribo ridd ridi rido riin rill rilo rind rinn rino riol rion riri rlin rnbr rnin rnld rnli rnod rob- robb robi robo rodd rodi rodo roid roil roin roio roir rold roll rolo rond roni rono roob rood rooi rool roon roor rori roro rrrr