-ic bbb bbc bbi bbr bbs bcb bcc bci bcr bcs bi- bib bic bii bir bis brb bri brr brs bsb bsc bsi bsr bss c-- cbb cbc cbi cbr cbs ccb ccc cci ccr ccs ci- cib cic cii cir cis crb crc cri crr crs csb csc csi csr css ibb ibc ibi ibr ibs icb icc ici icr ics iib iic iii iir iis ir- irb irc iri irr irs is- isb isc isi isr iss rbb rbc rbi rbr rbs rcb rcc rci rcr rcs rib ric rii rir ris rrb rrc rri rrr rrs rsb rsc rsi rsr rss sbb sbc sbi sbr sbs scb scc sci scr scs sib sic sii sir sis sr- srb src sri srr srs ss- ssb ssc ssi ssr sss

bbbb bbbs bbci bbrc bcbc bcbs bccc bcci bccs bcis bcrs bcsc bcss bibb bibi bibs bicc bici bics biis birb biri birr birs bis- bisc biss brcb bric bris brrr brrs brsb brsr bsci bscs bsic bssc cbbc cbbs cbcc cbcr cbcs cbir cbsc cbsi ccbc cccb cccc ccci cccs ccic ccii ccir ccis ccrc ccri ccrs ccsi ccss cibc cibi cicc cici cicr cics ciii ciis cirb circ ciri cirr cirs cis- cisc cisr ciss crbc crcc crcr crib cric cris crss cscb cscc csci cscr cscs csib csir csis csrc csrs cssr ibcs ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs icis icrc icrr icrs icsb icsc icsi icsr icss iiii iiis iirc iirs iisc iisi iisr ircc ircs iri- iric iris irrc irri irrs iscc isci iscr iscs isic isis isri issc issi issr isss rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcic rcis rcsc rcsi rcss rib- ribs ricc rics riis riri rirs risc risi riss rrrr rsbi rscc rscs rsis s-ib s-ic s-ii sbbs sbcc sbcs sbic sbsi scbi sccc sccs sci- scic scir scis scr- scrc scri scrs scsc scsi scsr sibc sibi sibs sicc sici sics sirc siri sirr sirs sisc sisi siss srbc srcc srib sris ssbr sscc ssci sscs ssis ssrc ssri ssrs sssb sssc sssi ssss

bbsrc bibbs bibic bibis bibri bicsi birrs brics brisb brisi briss brrrr cbirs ccccc cccii cciii cibir cicis circs ciric ciris cirr- cirri cirs- cribb crics criss cssii icbrr icici icscc iiiii iiris iisir irbis ircii iris- iriss irssi is-is iscsi isisi isrib isssc rcirc ribbi ricci s-cis s-iii sccbc sccci sciri scrib scris sibir sirci siris sirsi sisic sisis sissi sssrb sssss

bbbbbb bibiri bircii biribi brbcsc bribir bribri cirici cirri- crisic crisis ribbis ribici ribisi sbirri scirii scribs siiiii siriri sirris sirsir sisici sisisi

bbbbbbb bissibi bissiri cri-cri iricici sibiric sircici sssssss

bbbbbbbb i-ii-iii

issisisis

bbbbbbbbbbbbbbb ccccccccccccccc

iiiiiiiiiiiiiiiis