-ic bbb bbc bbi bbo bbr bbs bcb bcc bci bco bcr bcs bcz bi- bib bic bii bio bir bis biz bob boc boi boo bor bos boz brb bri bro brr brs brz bsb bsc bsi bso bsr bss bzo bzr bzs bzz c-- cbb cbc cbi cbo cbr cbs cbz ccb ccc cci cco ccr ccs ccz ci- cib cic cii cio cir cis co- cob coc coi coo cor cos coz crb crc cri cro crr crs crz csb csc csi cso csr css csz cz- czc czo ibb ibc ibi ibo ibr ibs ibz icb icc ici ico icr ics icz iib iic iii iio iir iis io- iob ioc ioi ioo ior ios ir- irb irc iri iro irr irs is- isb isc isi iso isr iss izi izo izz o-i ob- obb obc obi obo obr obs oc- ocb occ oci oco ocr ocs ocz oib oic oii oio oir ois oiz oo- oob ooc ooi ooo oor oos or- orb orc ori oro orr ors orz os- osb osc osi oso osr oss ozo ozs ozz rbb rbc rbi rbo rbr rbs rcb rcc rci rco rcr rcs rib ric rii rio rir ris riz rob roc roi roo ror ros roz rrb rrc rri rrr rrs rsb rsc rsi rso rsr rss rzb rzo sbb sbc sbi sbo sbr sbs scb scc sci sco scr scs sib sic sii sio sir sis sob soc soi soo sor sos soz sr- srb src sri sro srr srs ss- ssb ssc ssi sso ssr sss ssz szi szr zbb zbc zbr zbs zco zcs zib zio zir zis ziz zo- zob zoc zoi zoo zor zos zro zrs zsi zsz zzr zzs zzz

bbbb bbbs bbci bbrc bcbc bcbs bccc bcci bccs bcis bcor bcos bcoz bcrs bcsc bcss bibb bibi bibo bibs bicc bici bico bics biis bio- bioc bioi bios birb biri biro birr birs bis- bisc biso biss bizz bobb bobi bobo bobs boco bocs boi- boii bois boob booc boor boos booz bor- bori boro borr bors borz bosc bosi boso boss bozi bozo brcb bric brio bris briz brob broc broo bror bros broz brrr brrs brsb brsr bsci bscs bsic bsos bssc bzzz c-bo cbbc cbbs cbcc cbcr cbcs cbir cbsc cbsi ccbc cccb cccc ccci cccs ccic ccii ccir ccis ccob ccoc ccrc ccri ccrs ccsi ccss cibc cibi cibo cicc cici cico cicr cics ciii ciis ciob cior cios cirb circ ciri ciro cirr cirs cis- cisc cisr ciss cobb cobi cobo cobs coco coir cois coob coos cor- corb corc cori coro corr cors cosc cosi coso coss cozi cozz crbc crcc crcr crcz crib cric cris crob croc croo cror croz crss cscb cscc csci csco cscr cscs csib csio csir csis csob csor csos csrc csrs cssr ibcs ibis ibos ibrc ibri ibro ibss icbc icbs iccb iccc icci icco iccr iccs icis icoc icor icos icrc icrr icrs icsb icsc icsi icsr icss iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iobi ioci ioii ioio iooi iooo ioos iori iors ioso ircc ircs iri- iric irio iris irob iroc irrc irri irrs iscc isci isco iscr iscs isic isis iso- isoc isor isos isri issc issi isso issr isss izso izzo obbo obis oboi obor obos obri obro obsr obss ocbc occc occi ocis ocos ocro ocrr ocrs oici oiii oios oisc oobi oocr oooo ooos oosi oozi orbb orbi orbo orbs orci orco orcs ori- oric orio oris oro- oror oros oroz orri orro orrs orsi orso orzo oscc osci osco osii osis osoi osoo osor osos osro ossb ossi osso rbbb rbbr rbbs rbis rbss rcbc rcbo rccb rccc rccs rcic rcis rcos rcsc rcsi rcss rib- ribo ribs ricc rico rics riis rios rioz riri rirs risc risi riso riss rizi rizz rob- robb robi robo robs rocc roco rocs roio roir rois roiz roob rooi roor roos rooz rorc rori roro rosc rosi roso ross rozi rozz rrrr rsbi rscc rscs rsis rsos s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbor sbsi scbi sccc sccs sci- scic scio scir scis scob scoo scor scr- scrc scri scrs scsc scsi scso scsr sibc sibi sibo sibs sicc sici sico sics sior sios sirc siri siro sirr sirs sisc sisi siss sizz sobo sobr sobs soci soco socr socs soic soir sois soor soos sorb sori soro sorr sors sosi soso soss soz- sozi srbc srcc srib sris sros ssbr sscc ssci sscs ssis ssoc ssrc ssri ssrs sssb sssc sssi ssss szis szob szoc szss z-ro zibo zico zics zirc ziri ziro zisi zizi zizz zobo zoco zoic zoio zois zoo- zoos zorb zorc zori zoro zors zoso zoss zozo zsss zzzs zzzz

bbsrc bibbo bibbs bibic bibio bibis bibos bibri bicsi bioci bioco bioss biroc biros birrs bisco bizzi bizzo bo-bo bobbi boboc bobos bobr bobri bocci bocor boios boiro boobs booco boors borbo borci borcs borcz boric borio boris boro- boroo boros borro borsi bosco boscs bosio bosor bossi bosso bozic bozoo bozos brico brics brisb brisi briss brizo brizz brobo brobs broos bross brrrr bscco c-cor cbirs ccccc cccii cciii cibir cicis circo circs ciric cirio ciris cirr- cirri cirro cirs- cisco cizos co-bo co-co cobbs cocc- cocci cocco cocio cocir cocos coiro coirs coors corbi corbo corio coris coro- coroi corri corrs corsi corso corss corzo cos-b cosbi cosco cosic cosio cozbi cozzi cozzo cribb cribo cribs crics crio- criss crizz croci croco crocs crois croos cross csobs csosz cssii ibibo ibros icbrr icici icos- icosi icscc iiiii iiris iisir ioooi ioooo iorio iosco irbis ircii irico irios iris- iriss irobo irocs irocz irori irssi is-is iscor iscos iscsi isios isiro isisi isrib issor isssc izori o-r-b oboro obosi obzor occii ocr-b ocros oocss ooioo ooooo orbic orbis orcos oribi orobo oroco orosi oroso orosz orris orsis orzos ososo osric ossi- ossis ossos ozoir ozoro r-co- rbocs rcirc ribbi ribo-