bbbb bbbs bbci bbin bbrc bcbc bcbs bccc bcci bccs bcis bcor bcos bcrs bcsc bcsn bcss bibb bibi bibo bibs bicc bici bico bics biin biis bin- binc bini binn bino bins bio- bioc bioi bion bios birb biri birn biro birr birs bis- bisc biso biss bnib bnin bnoc bnor bnrr bnss bobb bobi bobo bobs boco bocs boi- boii boin bois bonc boni bonn bono bons boob booc boon boor boos bor- bori born boro borr bors bosc bosi bosn boso boss brcb bric brin brio bris brno brns brob broc bron broo bror bros brrr brrs brsb brsr bsci bscs bsic bsin bsns bson bsos bssc c-bo cbbc cbbs cbcc cbcn cbcr cbcs cbir cbrn cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccs ccic ccii ccir ccis ccnb ccnc ccni ccnr ccns ccob ccoc ccrc ccri ccrs ccsi ccsn ccss cibc cibi cibo cicc cici cico cicr cics ciii ciis cin- cinc cini cino ciob cion cior cios cirb circ ciri ciro cirr cirs cis- cisc cisn cisr ciss cnbc cnci cnco cnib cnic cnrc cnrr cnss cobb cobi cobo cobs coco coin coir cois con- conc coni conn cono cons coob coon coos cor- corb corc cori corn coro corr cors cosc cosi coso coss crbc crcc crcr crib cric crin cris crns crob croc cron croo cror crss cscb cscc csci csco cscr cscs csib csio csir csis csob csor csos csrc csrs cssr i-no ibcs ibis ibns ibon ibos ibrc ibri ibro ibsn ibss icbc icbs iccb iccc icci iccn icco iccr iccs icis icnb icnc icns icoc icon icor icos icrc icrr icrs icsb icsc icsi icsr icss iiii iiio iiis iino iioi iioo iios iirc iirs iisc iisi iisr inbo incb inci inco incr incs inis inni inno innr inns ino- inoi inon inor inos inri inro inrs insc inso inss iobi ioci ioii ioio ioni ionn iono ions iooi iooo ioos iori iors ioso ircc ircs iri- iric irin irio iris irob iroc iron irrc irri irrs isbn iscc isci iscn isco iscr iscs isic isin isis isno iso- isoc ison isor isos isri issc issi isso issr isss n-ii nbbc nbbo nbcc nbci nbco nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccr nccs ncis ncnc ncoc ncor ncos ncrc ncri ncsc ncsi ncss nibi nibo nibs nicc nici nico nics niir nini nino nins nion nioo nios niro nirs nisi niso niss nnnn nnos nnss nobc nobi nobo nobs noci noco nocs noib noin noio noir nois non- noni nonn nono nons noo- noob noon nooo noor noos nor- norb norc nori norn noro norr nors nos- noss nrcs nric nroc nron nrrc nrsc nsbo nscc nscs nsic nsin nsis nsnr nsos nsrc nssb nssc nsso nssr nsss obbo obin obis oboi obon obor obos obri obro obsn obsr obss ocbc occc occi occn ocin ocis ocon ocos ocro ocrr ocrs oici oiii oins oion oios oisc onc- onco onic onir onis onni onno onon onor onos onsc onso oobi oocr oons oooo ooos oosi orbb orbi orbo orbs orci orco orcs ori- oric orin orio oris ornc orni orno orns oro- oron oror oros orri orro orrs orsi orso oscc osci osco osii osin osis osno osnr osoi osoo osor osos osro ossb ossi osso rbbb rbbr rbbs rbis rbss rcbc rcbo rccb rccc rccs rcic rcis rcnr rcon rcos rcsc rcsi rcss rib- ribo ribs ricc rico rics riin riis rinn rino rion rios riri rirs risc risi riso riss rnbr rnco rncs rnin rob- robb robi robo robs rocc roco rocs roin roio roir rois ronc roni rono rons roob rooi roon roor roos rorc rori roro rosc rosi roso ross rrrr rsbi rscc rscn rscs rsis rsnn rsno rsnr rsos s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbor sbsi scbi sccc sccs sci- scic scin scio scir scis scnr scob scon scoo scor scr- scrc scri scrn scrs scsc scsi scsn scso scsr sibc sibi sibo sibs sicc sici sico sics sini sinn sino sins sion sior sios sirc siri siro sirr sirs sisc sisi siss sncc snco snib snir snns snob snoc snoo snor snos snrs sobo sobr sobs soci soco socr socs soic soin soir sois son- soni sono sons soon soor soos sorb sori sorn soro sorr sors sosi soso soss srbc srcc srib sris srni srnn srno sros ssbn ssbr sscc ssci sscs ssin ssis ssns ssoc ssrc ssri ssrs sssb sssc sssi ssss