bbbb bbbs bbci bbrc bbrg bcbc bcbg bcbs bccc bcci bccs bcgs bcis bcor bcos bcrs bcsc bcss bggs bibb bibi bibo bibs bicc bicg bici bico bics bigb bigc bigg bigo bigs biis bio- bioc biog bioi bios birb birg biri biro birr birs bis- bisc biso biss bobb bobi bobo bobs boco bocs bogg bogi bogo bogs boi- boii bois boob booc boog boor boos bor- borg bori boro borr bors bosc bosi boso boss brcb bric brig brio bris brob broc brog broo bror bros brrr brrs brsb brsr bsci bscs bsgs bsic bsos bssc c-bo cbbc cbbs cbcc cbcr cbcs cbgb cbir cbsc cbsi ccbc cccb cccc ccci cccs ccgc ccgs ccic ccii ccir ccis ccob ccoc ccrc ccrg ccri ccrs ccsg ccsi ccss cgcc cgcg cggs cgis cgro cgsb cgss cibc cibi cibo cicc cici cico cicr cics cigi cigs ciii ciis ciob cior cios cirb circ ciri ciro cirr cirs cis- cisc cisr ciss cobb cobi cobo cobs coco cogi cogo cogs coir cois coob coos cor- corb corc corg cori coro corr cors cosc cosi coso coss crbc crcc crcr crgs crib cric crig cris crob croc croo cror crss cscb cscc csci csco cscr cscs csib csio csir csis csob csor csos csrc csrs cssr gbbo gbbs gc-c gcbc gccc gccs gcic gcii gcos gcrg gcss gggg ggss gibb gibs gicr gigg gigi gigo gigs giis giog gioi girg giri giro girr girs giss gobi gobo gobs gocr gogi gogo gogs gois goog gooi goor goos gorb gorg gori goro gorr gors gosi goso goss grbr grcc grib gric grig gris grob groc grog groi groo gror gros grrr grrs grss gsis gsoc gsos i-go ibcs ibis ibos ibrc ibri ibro ibss icbc icbs iccb iccc icci icco iccr iccs icgc icis icoc icor icos icrc icrr icrs icsb icsc icsi icsr icss igbc igbo igcc iggs igis igoo igor igri igso iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iobi iocg ioci ioii ioio iooi iooo ioos iorg iori iors ioso ircc ircg ircs irgs iri- iric irig irio iris irob iroc irrc irri irrs irsg iscc isci isco iscr iscs isgc isic isis iso- isoc isor isos isrg isri issc issi isso issr isss obbo obis oboi obor obos obri obro obsr obss ocbc occc occi ocis ocos ocro ocrr ocrs ogb oggi ogog ogoi ogri ogro ogsi oici oigo oiii oios oisc oobi oocr oooo ooos oosi orbb orbi orbo orbs orci orco orcs orgo orgs ori- oric orig orio oris oro- oror oros orri orro orrs orsi orso oscc osci osco osgi osii osis osoi osoo osor osos osro ossb ossi osso rbbb rbbr rbbs rbis rbss rcbc rcbo rccb rccc rccs rcgc rcic rcis rcos rcrg rcsc rcsi rcss rgbi rib- ribo ribs ricc rico rics rigg rigi rigo rigs riis rios riri rirs risc risi riso riss rob- robb robi robo robs rocc roco rocs rogg rogi rogo roig roio roir rois roob roog rooi roor roos rorc rori roro rosc rosi roso ross rrrr rsbi rscc rscs rsgb rsgc rsis rsos s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbig sbor sbsi scbi sccc sccs scgs sci- scic scio scir scis scob scog scoo scor scr- scrc scri scrs scsc scsi scso scsr sgcb sgcg sggg sggs sgic sgio sgro sgss sibc sibi sibo sibs sicc sici sico sics sigg sigi sigo sigs sior sios sirc siri siro sirr sirs sisc sisi siss sobo sobr sobs soci soco socr socs sogi sogo sogs soic soir sois soog soor soos sorb sorg sori soro sorr sors sosi soso soss srbc srcc srgb srib sris sros ssbr sscc ssci sscs ssgs ssis ssoc ssrc ssrg ssri ssrs sssb sssc sssi ssss