bbbb bbbs bbch bbci bbhs bbrc bcbc bcbs bccc bcci bccs bchs bcis bcrs bcsc bcss bhcc bhhs bhir bibb bibi bibs bicc bich bici bics bihi bihs biis birb biri birr birs bis- bisc bish biss brcb brhs bric brih bris brrr brrs brsb brsr bsci bscs bshs bsic bssc cbbc cbbs cbcc cbcr cbcs cbhs cbir cbrh cbsc cbsi ccbc cccb cccc ccci cccs cchr cchs ccic ccii ccir ccis ccrc ccri ccrs ccsi ccss chch chci chcs chhs chib chic chih chir chis chrb chrc chrr chrs chsc chsh chsi chsr cibc cibi cicc cich cici cicr cics cihr cihs ciii ciis cirb circ cirh ciri cirr cirs cis- cisc cish cisr ciss crbc crcc crcr crhs crib cric cris crss cscb cscc csch csci cscr cscs cshs csib csir csis csrc csrs cssr h-ii hbbs hbhs hbic hbrs hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcss hhhh hhhs hi-c hibi hicc hich hics hihc hihi hiis hiri hirs hisb hish hiss hrhs hrib hrrc hsbc hscc hsci hshs ibcs ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs ichc ichi ichr ichs icis icrc icrr icrs icsb icsc icsh icsi icsr icss ihcc ihis ihrc ihss iiii iiis iirc iirs iisc iisi iisr ircc ircs irhs iri- iric iris irrc irri irrs iscc isch isci iscr iscs ishi ishr ishs isic isis isri issc issh issi issr isss rbbb rbbr rbbs rbhs rbis rbss rcbc rccb rccc rccs rchb rchs rcic rcis rcsc rcsi rcss rhhs rhib rib- ribs ricc rich rics rihs riis riri rirs risc rish risi riss rrhs rrrr rsbi rscc rsch rscs rshs rsis s-ib s-ic s-ii sbbs sbcc sbcs sbhc sbhs sbic sbsi scbi sccc sccs sch- schh schi schr schs sci- scic scir scis scr- scrc scri scrs scsc scsh scsi scsr shbs shcc shhh shhs shib shih shii shir shis shri shrs shsc sibc sibi sibs sicc sich sici sics sihi sihr sihs sirc siri sirr sirs sisc sish sisi siss srbc srcc srch srhs srib sris ssbr sscc ssci sscs sshs ssis ssrc ssri ssrs sssb sssc sssh sssi ssss