-ic bbb bbc bbi bbo bbr bbt bbx bcb bcc bci bco bcr bct bcx bi- bib bic bii bio bir bit bix bob boc boi boo bor bot box brb bri bro brr brt brx btb btc bti bto btr btt btx bxb bxi bxo bxx c-- cbb cbc cbi cbo cbr cbt cbx ccb ccc cci cco ccr cct ccx ci- cib cic cii cio cir cit cix co- cob coc coi coo cor cot cox crb crc cri cro crr crt crx ctb ctc cti cto ctr ctt ctx cxc cxi cxo cxr cxt cxx ibb ibc ibi ibo ibr ibt ibx icb icc ici ico icr ict iib iic iii iio iir iit iix io- iob ioc ioi ioo ior iot ir- irb irc iri iro irr irt irx itb itc iti ito itt itx ixc ixi o-i ob- obb obc obi obo obr obt obx oc- ocb occ oci oco ocr oct ocx oib oic oii oio oir oit oo- oob ooc ooi ooo oor oot oox or- orb orc ori oro orr ort orx ot- otb otc oti oto otr ott ox- oxb oxc oxi oxo oxt oxx rbb rbc rbi rbo rbr rbt rbx rcb rcc rci rco rcr rct rcx rib ric rii rio rir rit rix rob roc roi roo ror rot rox rrb rrc rri rrr rrt rtb rtc rti rto rtr rtt rtx rxr t-x tbb tbc tbi tbo tbr tbt tcb tcc tci tco tcr tct tcx tib tic tii tio tir tit tix to- tob toc toi too tor tot tox trb trc tri tro trr trt trx ttb ttc tti tto ttr ttt ttx txi txt xbc xbr xbx xcb xci xcr xcx xic xii xio xit xix xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxo xxx

bbbb bbci bbox bbrc bcbc bccc bcci bcit bcor bctc bibb bibi bibo bicc bici bico bio- bioc bioi biot biox birb biri biro birr birt birx bitc bito bitt bitx bixi bobb bobi bobo boco boi- boii boit boob booc boor boot boox bor- bori boro borr bort botb boti boto bott brcb bric brio brit brix brob broc broo bror brot brox brrr brtc btcc btcx btob btor btrc btrt bttb c-bo cbbc cbcc cbcr cbct cbir cbit cbot cbox cbrt cbtc ccbc cccb cccc ccci ccic ccii ccir ccix ccob ccoc ccrc ccri ccrt cctb cctc cctt ccxi cibc cibi cibo cicc cici cico cicr cict ciii ciit ciob cior cirb circ ciri ciro cirr cirt citb citi cito citt cixi cobb cobi cobo coco coct coir coit coix coob coot cor- corb corc cori coro corr cort cotb cotc coti coto cott crbc crcc crcr crib cric crit crob croc croo cror crot crrt crtc ctbi ctic ctor ctot ctrc cxii cxix cxro cxxi cxxx ibot ibox ibrc ibri ibro ibtb ibtc icbc iccb iccc icci icco iccr icct icoc icor icrc icrr icrt iiii iiio iiit iioi iioo iirc iitr iitt iobi ioci ioii ioio ioit iooi iooo iori ioto ircc ircx iri- iric irio irix irob iroc irrc irri irti itic itoi itoo itor itri itto ixxi obbo obit obix oboi obor obot obox obri obro ocbc occc occi occt ocro ocrr oct- octi octo oici oiii oirt oitc oiti oobi oocr oooo oort ootb orbb orbi orbo orci orco ori- oric orio orit orix oro- oror orot orri orro ortc orto otic otit oto- otoo otor otro otti otto oxi- oxic oxo- oxox oxxo rbbb rbbr rcbc rcbo rccb rccc rcic rctc rcti rib- ribo ricc rico rict riot riri riti rito ritt rixc rixo rob- robb robi robo robt rocc roco roio roir roit roob rooi roor root roox rorc rori roro rort rotc roti roto rotr rott roxo rrrr rtcc tbcb tbcc tbit tbox tbrb tccc tctc tibi ticc tico tiit tirb tiri tiro tirr titc titi tito titt tixt tobi tobo tobt toci toco toit toor toot torc tori toro torr tort torx totc toti toto totr tott tox- toxi toxo toxt trcc tri- trib tric trio trit trix troc troi troo trot trox trtc trtr ttbb tttt txii txtr xbox xcii xcri xibo xico xiii xito xixi xobc xoco xoro xoxo xtro xxii xxix xxxi xxxo xxxx

bibbo bibic bibio bibri bioci bioco biroc bitit bitti bitto bixio bo-bo bobbi boboc bobr bobri bocci bocor boiro boito booco booit boort bootx borbo borci boric borio boro- boroo borot borox borro botox botro botti brico briot brito britt brixx brobo broto brrrr btr-t c-cor ccccc cccii cciii ccitt ccxii cibir circo ciric cirio cirr- cirri cirro citr- citro co-bo co-co cobit cobot cocc- cocci cocco cocio cocir cocto coiro corbi corbo corio coro- coroi corot corri corti corto cott- cotto cribb cribo crio- crito croci croco croix croot crott cttoi i-bot ibibo iboxx ibrox icbrr icici ictic iiiii iitti iobit iobox ioooi ioooo iorio iotic iotit iotti irbit ircii irico irobo irori irrit itbit itbox itobi ittoo ittti o-r-b oboro occii ocr-b octic octo- octor oirot oitti oobit ooioo ooooo orbic orbit orbix orbot oribi orito orobo oroco oroix ortoo otcbb otobi otori ototo otric ottir ottoi oxxio r-co- rcirc ribbi ribo- ribot ribxi ricci ricco rixoi ro-ro robbi robbo robic robo- robor robot robrt rocco rocio rocor roiot roric roto- rotor rotot rotox rotti rotto roxio t-box tbtbt tcobb ti-ti tibbi tibor tibro ticci tirit tiro- tiroi titcr titii titti tobit tobor tobot tocci tocco toco- toico toric torii torio torit torob torri torro torti torto toti- toto- totoo toxi- toxic toxo- trboc trico trior trit- trito tritt troco troic trott ttttt x-box xbxrx xciii xootr xorro xotox xoxox xtort xxiii xxxii xxxix

bbbbbb bibiri bicioc biobor biotic biotti bircii biribi birori bitrot bittor bobbio bobiri boboci boccob bocoio booboo bootit borbor bororo botoro bribir bribri britco brito- britot brocco brocor brocot brotox brotto ciboir ciocci ciotti circot cirici ciroc cirri- cirro- cirroc citico citri- citric citrio citro- cobbit cobbob cobric