-ic bbb bbc bbi bbo bbr bbs bcb bcc bci bco bcr bcs bi- bib bic bii bio bir bis bob boc boi boo bor bos brb bri bro brr brs bsb bsc bsi bso bsr bss c-- cbb cbc cbi cbo cbr cbs ccb ccc cci cco ccr ccs ci- cib cic cii cio cir cis co- cob coc coi coo cor cos crb crc cri cro crr crs csb csc csi cso csr css ibb ibc ibi ibo ibr ibs icb icc ici ico icr ics 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 o-i ob- obb obc obi obo obr obs oc- ocb occ oci oco ocr ocs oib oic oii oio oir ois oo- oob ooc ooi ooo oor oos or- orb orc ori oro orr ors os- osb osc osi oso osr oss rbb rbc rbi rbo rbr rbs rcb rcc rci rco rcr rcs rib ric rii rio rir ris rob roc roi roo ror ros rrb rrc rri rrr rrs rsb rsc rsi rso rsr rss sbb sbc sbi sbo sbr sbs scb scc sci sco scr scs sib sic sii sio sir sis sob soc soi soo sor sos sr- srb src sri sro srr srs ss- ssb ssc ssi sso ssr sss

bbbb bbbs bbci bbrc bcbc bcbs bccc bcci bccs bcis bcor bcos 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 bobb bobi bobo bobs boco bocs boi- boii bois boob booc boor boos bor- bori boro borr bors bosc bosi boso boss brcb bric brio bris brob broc broo bror bros brrr brrs brsb brsr bsci bscs bsic bsos bssc 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 crbc crcc crcr crib cric cris crob croc croo cror 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 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 orbb orbi orbo orbs orci orco orcs ori- oric orio oris oro- oror oros orri orro orrs orsi orso 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 riri rirs risc risi riso riss rob- robb robi robo robs rocc roco rocs roio roir rois roob rooi roor roos rorc rori roro rosc rosi roso ross 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 sobo sobr sobs soci soco socr socs soic soir sois soor soos sorb sori soro sorr sors sosi soso soss srbc srcc srib sris sros ssbr sscc ssci sscs ssis ssoc ssrc ssri ssrs sssb sssc sssi ssss

bbsrc bibbo bibbs bibic bibio bibis bibos bibri bicsi bioci bioco bioss biroc biros birrs bisco bo-bo bobbi boboc bobos bobr bobri bocci bocor boios boiro boobs booco boors borbo borci borcs boric borio boris boro- boroo boros borro borsi bosco boscs bosio bosor bossi bosso brico brics brisb brisi briss brobo brobs broos bross brrrr bscco c-cor cbirs ccccc cccii cciii cibir cicis circo circs ciric cirio ciris cirr- cirri cirro cirs- cisco 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 cos-b cosbi cosco cosic cosio cribb cribo cribs crics crio- criss croci croco crocs crois croos cross csobs cssii ibibo ibros icbrr icici icos- icosi icscc iiiii iiris iisir ioooi ioooo iorio iosco irbis ircii irico irios iris- iriss irobo irocs irori irssi is-is iscor iscos iscsi isios isiro isisi isrib issor isssc o-r-b oboro obosi occii ocr-b ocros oocss ooioo ooooo orbic orbis orcos oribi orobo oroco orosi oroso orris orsis ososo osric ossi- ossis ossos r-co- rbocs rcirc ribbi ribo- ricci ricco risco risso ro-ro robbi robbo robbs robic robo- robor rocco rocio rocor roosi roric rosci rosic rosis rossi rosso rosss s-cis s-iii s-o-r sccbc sccci scio- sciri scobs scoir scoob scoor scors scrib scris scrob scroo sibir sibor sibos sirci sirco sirio siris siroc siror siros sirsi sisco sisic sisis sisor sissi so-so sobor sobri socii socio socis soirs soori soosi sorbo sorbs sorio soror soros sorso soss- sossi sssrb sssss

bbbbbb bibiri bicioc biobor biosci bircii biribi birori bisoro bobbio bobbos bobiri boboci boccob bocoio bocors booboo borbor bororo borosi borris boscis bososo brbcsc bribir bribri brocco brocor brosso c-ross ciboir ciocci cirici ciroc cirri- cirro- cirroc cirso- ciscos cisors cobbob cobiss coboss cobric cocci- cocco- cococo coocoo corbio corbis corcir corcos coroso corrib corris corros corsio coscob cossic crico- crisco crisic crisis criso- crobis crocco cross- crossb ibibio