bbbb bbci bbdd bbdo bbin bbox bbrc bcbc bccc bcci bcnu bcor bcru bcuc bd-r bdbc bddc bdii bdin bibb bibi bibo bicc bici bico bidi bido bidr bidu bidx biin bin- binc bind bini binn bino binu bio- bioc bioi bion biou biox birb bird biri birn biro birr biru birx bixi bnib bnin bnoc bnor bnrr bobb bobi bobo bobu boco bocu bodb bodi bodo bodu boi- boid boii boin boiu bonc bond boni bonn bono bonu boob booc bood boon boor boox bor- bord bori born boro borr boru boud boun bour brcb brdo bric brid brin brio brix brno brob broc brod bron broo bror brou brox brrr bruc brud brun brux bubb bubi bubo bubu bucc buci buco bucu budb budd budi budo budu buic buid buin buir buiu buix bunb bund buni bunn buno bunu buon bur- burb burd buri burn buro burr buru c-bo c-cd cbbc cbcc cbcn cbcr cbcu cbdb cbdc cbdi cbdn cbdo cbid cbir cbnd cbox cbrd cbrn cbux ccbc ccbn cccb cccc ccci cccu ccdc ccdi ccdn ccdr ccic ccid ccii ccir ccix ccnb ccnc ccni ccnr ccnu ccob ccoc ccod ccrc ccri ccuc ccxi cd-r cddb cddr cdic cdii cdio cdnb cdnc cdon cdxi cibc cibi cibo cicc cici cico cicr cicu cidc cidi cidr ciid ciii cin- cinc cind cini cino ciob cion cior cirb circ ciri ciro cirr ciuc cixi cnbc cnci cnco cndd cnib cnic cnid cnrc cnrr cobb cobi cobo cobu coco cocu codd codi coin coir coix con- conc cond coni conn cono coob cood coon cor- corb corc cord cori corn coro corr coub coud coun cour coux crbc crbu crcc crcr crdc crib cric crin criu crob croc crod cron croo cror crub crud crun crux cub- cubb cubi cucc cuci cucn cudi cui- cuin cuir cund cuno cuon curb curd curi curn curo curr cxii cxix cxro cxxi cxxx d-bo d-ix dbcc dbrn dcbc dccb dccc dcci dccu dcdb dcii dcio dcix dcon dcxi dcxx dddd ddoc ddrc ddub dibb dibo dici dico didi dido didu diii din- dinc dini dinn dino dinu dioc dion dior diou dird dirr diux dixi dnic dnix dnoc dnrc do-x dobb dobi dobu doci doco docu dod- dodd dodi dodo doid doin doix donc dond doni donn dono donr doob dood doon door dorc dord dori dorn doro dorr doru doub douc doud doun dour doux drbc drib dric drin drix drno drob drod dron drou drub drui druu dub- dubb dubc dubu duco dudd dudo dudu duid duin duir dunc dunn duno duo- duon duri durn duro duru duur dxbc dxbn dxbr dxcb dxcc dxci dxco dxdc dxdr dxii dxix dxnd dxnu dxoc dxrd dxrr dxrx dxur dxxr dxxx i-no ibdo ibid ibon ibox ibrc ibrd ibri ibro icbc icbd iccb iccc icci iccn icco iccr iccu icdc icdd icnb icnc icoc icod icon icor icrc icrr icru icub idcr iddo idic idid idin idio idir idno idnx idoc idon idrc idro idub idun iduo iicd iiii iiio iino iioi iioo iirc iiuc inbd inbo incb incd inci inco incr ind- indc indi indo indu inid inni inno innr innu ino- inoi inon inor inou inox inri inro inui inun inxd iobi ioci iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iori ioun ircc ircd ircu ircx irdc irdo iri- iric irid irin irio irix irob iroc irod iron irrc irri irun iucc iuiu iuno ixxi n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccr nccu ncdc ncdn ncdr ncdu ncid ncix ncnc ncnd ncoc ncor ncrc ncri ndcc nddb nddo ndic ndoc ndor ndrc ndri nibi nibo nicc nicd nici nico nicu nidd nidi nido niir niiu nind nini nino nion nioo niou niro niru niur nixi nndb nnnn nobc nobi nobo nobu noci noco nodi nodo nodu noib noid noin noio noir noix non- noni nonn nono nonu nonx noo- noob noon nooo noor nor- norb norc nord nori norn noro norr noun nour nrdc nric nroc nron nrrc nrrd nubc nubi nuci nucu nudc nudd nudi nudo nuin nuix nunc nunn nuno nuoc nuon nurc nurd nuri nurn nurr nuru nxdn obbo obid obin obix oboi obon obor obox obri obro ocbc occc occi occn ocin ocon ocro ocrr ocur odbo odci oddd oddi odic odin odio odir odiu odnb odon odoo odor odou odur oici oido oiii oion onc- oncd onco ondi ondo onic onir onix onni onno onod onon onor onur oobi oocr oodi ooid oooo oord orbb orbi orbo orbu orci orco ordn ordo ordu ori- oric orid orin orio orix ornc orni orno oro- oron oror orri orro orub oucc oudc ouii ouin ouir oun- ound our- ourn ouro ouu- oxi- oxic oxid oxo- oxon oxox oxud oxxo rbbb rbbr rcbc rcbo rccb rccc rcdc rcic rcid rcnr rcon rcrd rdio rdoc rib- ribo ribu ricc rico ridc ridd ridi rido ridx riin rind rinn rino rion riou riri rixc rixo rnbr rnco rndc rnin rnod rob- robb robi robo robu rocc roco rodd rodi rodo roid roin roio roir roiu ronc rond roni rono roob rood rooi roon roor roox rorc rori roro roru roub roud roun roux roxo rrrr rrun rubb rubi rubu ruci rudd rudi rudo ruid ruin runc rund runi runn runo rurc rurd ruri ruro ruru ruud ruun ubbi ubbo ubic ubid ubii ubir uboc ubod ubon ubud ucbc ucci ucdc ucdd ucin ucio ucon ucrc udbc uddi udic udid udin udir udon udoo udox udun uirr unbd uncc unci unco undi undo uni- unic unii unin unio unir unix unni unno unon unox unro uocc uor- urbi urci urdu urib uric urin uriu urix urni uro- uroo urox urri urun urur uuni uuno uuoc uuri uuuu uxor xbcd xbin xbox xcii xcon xcri xdcc xdin xibo xibu xico xidi xiii xinu xion xixi xobc xoco xorn xoro xoxo xrcd xrdb xrod xuri xuxu xxii xxix xxxi xxxo xxxx