-ic bbb bbc bbi bbk bbo bbr bcb bcc bci bck bco bcr bcz bi- bib bic bii bik bio bir biz bkb bkc bkk bko bkr bob boc boi bok boo bor boz brb bri brk bro brr brz bzo bzr bzz c-- cbb cbc cbi cbk cbo cbr cbz ccb ccc cci cck cco ccr ccz ci- cib cic cii cik cio cir ckb ckc cki cko co- cob coc coi cok coo cor coz crb crc cri crk cro crr crz cz- czc czk czo ibb ibc ibi ibk ibo ibr ibz icb icc ici ick ico icr icz iib iic iii iio iir ikb ikc iki ikk iko ikr io- iob ioc ioi ioo ior ir- irb irc iri irk iro irr izi izo izz k-z kbb kbc kbi kbk kbo kbr kbz kcb kcc kci kck kcr kib kic kii kik kio kir kiz kkb kkc kki kkk kkr kob koc koi kok koo kor koz krc kri krk kro krr kzo o-i ob- obb obc obi obk obo obr oc- ocb occ oci ock oco ocr ocz oib oic oii oik oio oir oiz okb okc oki okk oko okr oo- oob ooc ooi ook ooo oor or- orb orc ori ork oro orr orz ozo ozz rbb rbc rbi rbk rbo rbr rcb rcc rci rco rcr rib ric rii rik rio rir riz rkb rkc rkk rko rkz rob roc roi rok roo ror roz rrb rrc rri rrk rrr rzb rzo zbb zbc zbr zco zib zik zio zir ziz zo- zob zoc zoi zok zoo zor zro zzr zzz

bbbb bbci bbrc bcbc bccc bcci bcor bcoz bibb bibi bibo bicc bici bick bico biko bio- bioc bioi birb biri birk biro birr bizz bobb bobi bobo bock boco boi- boii boki boko boob booc book boor booz bor- bori bork boro borr borz bozi bozo brcb bric brik brio briz brkb brob broc brok broo bror broz brrr bzrk bzzz c-bo cbbc cbcc cbcr cbir cbko cbkr ccbc cccb cccc ccci ccic ccii ccir ccob ccoc ccrc ccri cibc cibi cibo cicc cici cico cicr ciii ciko cikr ciob cior cirb circ ciri cirk ciro cirr ckbc ckbi ckck ckco ckob ckoc ckoi ckoo ckor ckrc cobb cobi cobo cock coco coir cok- coko coob cook cor- corb corc cori cork coro corr cozi cozz crbc crcc crcr crcz crib cric crik crkc crob croc crok croo cror croz ibrc ibri ibro icbc iccb iccc icci icco iccr icoc icor icrc icrr iiii iiio iioi iioo iirc ikki ikko ikoo ikri iobi ioci ioii ioio ioko iooi iooo iori ircc iri- iric irio irki irob iroc irrc irri izki izzo k-ci kbbb kbbc kbbi kbbk kbbo kbbr kbbz kbcb kbci kbck kbco kbcr kbcz kbib kbic kbik kbio kbiz kbkb kbkk kbko kbkr kbkz kbob kboc kboi kbok kboo kboz kbrb kbrc kbri kbrk kbro kbrz kbzc kbzi kbzo kbzz kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kcic kcii kcir kckc kckk kcko kckr kckz kcob kcor kcoz kcrc kcri kcro kcrr kcrz kczo kczz kibb kibc kibi kibo kibr kibz kicb kicc kick kicr kiic kiii kiik kikc kiki kikk kiko kikr kikz kioc kioi kiok kioo kioz kirb kirc kiri kirk kiro kirr kizz kkbb kkbi kkbo kkbr kkbz kkcb kkci kkck kkco kkcr kkic kkik kkkk kkob kkoo kkor kkoz kkrb kkrc kkrk kkro kkrr kkrz kkzz kobb kobc kobi kobk kobo kobr kocb koci kock koii koir kokb kokc koki kokk koko kokr kokz koob kooc kooi kook kooo koor kooz korb korc kori kork koro korr kozb kozi kozk kozo kozr krbb krbi krbk krbr krbz krcb krcc krci krco krib krik krio kriz krkc krki krkk krko krkr krkz krob kroc kroi krok kroo kror kroz krrb krrc krri krrk krro krrr krrz krzi krzk krzr krzz kzbb kzbi kzbk kzbr kzbz kzcr kzio kziz kzkr kzkz kzoi kzoo kzor kzoz kzrb kzrc kzrk kzro kzrr kzrz kzzb kzzi kzzk kzzo kzzr kzzz obbo obkb oboi obok obor obri obro ocbc occc occi ocro ocrr oici oick oiii oiko okic okir okko okok okor okro oobi oocr oooo oozi orbb orbi orbo orci orco ori- oric orio orko oro- orok oror oroz orri orro orzk orzo rbbb rbbr rcbc rcbo rccb rccc rcic rib- ribo ricc rick rico riki rikk rioz riri rizi rizk rizz rob- robb robi robo rocc rock roco roik roio roir roiz roki rokk roko rokr roob rooi rook roor rooz rorc rori rork roro rozi rozz rrrr z-ro zbik zibo zick zico ziki zikr zirc ziri ziro zizi zizz zobo zoco zoic zoio zoo- zook zorb zorc zori zork zoro zozo zzzz

b-r-k bbook bcock bibbo bibic bibio bibri bikok bioci bioco bioko birck biroc bizzi bizzo bo-bo bobbi bobik bobko boboc bobok bobr bobri bocci bocki bocor boiro bokko bokok bokor boock booco booki booko bookz borbo borci borck borcz boric borik borio borko boro- borok boroo borro bozic bozok bozoo brcko brick brico brizo brizz brkic brobo brock brook brrrr c-cor ccccc cccii cciii cibir circk circo ciric cirio cirr- cirri cirro ckick co-bo co-co cocc- cocci cocco cocio cocir coiro cokk- cooki corbi corbo corio coro- coroi corri corzo cozbi cozzi cozzo cribb cribo crick crio- crizz croci crock croco crook ibibo ibook ibrik icbrr icici iiiii ikobo ikoro ioooi ioooo iorio ircii irico iriki irobo irock irocz iroko irori izori izrok k-rob kibbi kibbo kibi- kibor kiiki kikki kikko kikoi kioko kirck kirki ko-ko kobic kobri kocic koiri kokir kokki kokko kokoi kokor kooki koori korbo korck korki koror korri korro kozki kribi krici krick krock o-r-b obock oboro obrok obzor occii ockro ocr-b oczko oiko- okobo okoc okoki okoro ooioo ooooo orbic oribi orick orobo oroco ozick ozoir ozoro r-co- rcirc ribbi ribo- ricci ricco ricki rikki rizzi rizzo ro-ro robbi robbo robic robik robo- robor rocco rocio rocko rocor rokci rokki rokkk roric rorik roriz rozic rozki rozzi zibib zikri