bbbb bbbs bbch bbci bbhs bbrc bcbc bcbs bccc bcci bccs bchs bcis bcor bcos bcrs bcsc bcss bcvo bhcc bhhs bhir bhoi bhor bibb bibi bibo bibs bicc bich bici bico bics bihi bihs biis bio- bioc bioi bios birb biri biro birr birs bis- bisc bish biso biss bivi bobb bobi bobo bobs boch boco bocs boho bohr bohs boi- boii bois boob booc booh boor boos bor- borh bori boro borr bors bosc bosh bosi boso boss bovi bovo brcb brhs bric brih brio bris brob broc broh broo bror bros brrr brrs brsb brsr brvi bsci bscs bshs bsic bsos bssc bvhs bvsc c-bo cbbc cbbs cbcc cbcr cbcs cbhs cbir cbrh cbsc cbsi cbvb cbvr ccbc cccb cccc ccci cccs cccv cchr cchs ccic ccii ccir ccis cciv ccob ccoc ccrc ccri ccrs ccsi ccss ccvi ccvo ccvs chch chci chcs chhs chib chic chih chir chis chiv choc choh choi choo chor chos chov chrb chrc chro chrr chrs chsc chsh chsi chsr chvo cibc cibi cibo cicc cich cici cico cicr cics cihr cihs ciii ciis ciob cior cios cirb circ cirh ciri ciro cirr cirs cis- cisc cish cisr ciss cisv civc civh civo cobb cobh cobi cobo cobs coch coco coho cohs coir cois coob cooh coos cor- corb corc cori coro corr cors cosc cosh cosi coso coss covo crbc crcc crcr crhs crib cric cris crob croc croh croo cror crss cscb cscc csch csci csco cscr cscs cshs csib csio csir csis csob csor csos csrc csrs cssr cvbs cvcc cvhs cvii cvrr cvss h-ii hbbs hbhs hbic hbio hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcso hcss hhhh hhhs hi-c hi-v hibi hicc hich hico hics hihc hihi hiho hiis hiob hioc hiri hiro hirs hisb hish hiss hobo hobs hoch hocr hocs hoho hoir hois hoor hoos horc hori horo horr hors hosh hoss hovi hovs hrhs hrib hrob hros hrrc hrso hsbc hscc hsci hshs hsob hvcc hvhs hvsc ibcs ibis ibos ibrc ibri ibro ibss icbc icbs iccb iccc icci icco iccr iccs ichc ichi icho ichr ichs icis icoc icor icos icrc icrr icrs icsb icsc icsh icsi icsr icss ihcc ihis ihob ihrc ihss ihsv ihvh iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iobi ioci ioii ioio iooi iooo ioos iori iors ioso ircc ircs irhs iri- iric irio iris irob iroc iroh irov irrc irri irrs irvs iscc isch isci isco iscr iscs ishi ishr ishs isic isis iso- isoc isor isos isri issc issh issi isso issr isss ivbv ivic ivor ivrs obbo obhs obis oboi obor obos obrh obri obro obsr obss obvi obvs ocbc occc occi ochi ochs ocis ocos ocro ocrr ocrs ohcc ohhi ohho ohhs ohio ohis ohob ohoh ohos ohso ohss oici oiii oios oisc oobi oocr ooho oohs oooh oooo ooos oosi orbb orbi orbo orbs orch orci orco orcs orhs ori- oric orio oris oro- oror oros orri orro orrs orsi orso orvr orvs oscc osci osco oshc oshi osho oshs osii osis osoi osoo osor osos osov osro ossb ossi osso ovcs ovhs ovi- ovis ovo- ovoo rbbb rbbr rbbs rbhs rbis rboh rbss rcbc rcbo rccb rccc rccs rchb rchs rcic rcis rcos rcsc rcsi rcss rcvr rcvs rhhs rhib rhio rhob rhoc rhoh rhos rib- ribo ribs ricc rich rico rics riho rihs riis rios riri rirs risc rish risi riso riss rivo rivs rob- robb robi robo robs rocc roch roco rocs rohr rohs roio roir rois roob rooi roor roos rorc rori roro rosc rosh rosi roso ross rovi rovo rovs rrhs rrrr rsbi rscc rsch rscs rshs rsis rsos rv-c rvhs rvvh s-ib s-ic s-ii s-iv s-os sbbs sbcc sbcs sbhc sbhs sbic sbor sbsi scbi sccc sccs sch- schh schi scho schr schs sci- scic scio scir scis sciv scob scoh scoo scor scr- scrc scri scrs scsc scsh scsi scso scsr shbs shcc shhh shhs shib shih shii shio shir shis shiv shoo shor shos shri shrs shsc shvc shvi sibc sibi sibo sibs sicc sich sici sico sics sihi sihr sihs sior sios sirc siri siro sirr sirs sisc sish sisi siss sivi sobo sobr sobs soch soci soco socr socs sohh soho sohs soic soir sois soor soos sorb sorh sori soro sorr sors sosh sosi soso soss sosv sovo sovs srbc srcc srch srhs srib sris sros ssbr sscc ssci sscs sshs ssis ssoc ssrc ssri ssrs sssb sssc sssh sssi ssss svcc svcs svhs svic svir svor svsc vbcc vcbi vcci vcrs vhhh vhhs vibs vic- vich vici vico vics vihi viii vios virb virc viri viro virr visc vish visi viso viss vivi vivo voho voic voio voir vois vooc voor vor- vori voro vors vosi voso voss vrci vrhs vrio vris vroc vrsi vshs vsic vssc vvhs vvob vvsb vvvv