-ic bbb bbc bbg bbi bbo bbr bbs bcb bcc bcg bci bco bcr bcs bgb bgc bgg bgi bgo bgr bgs bi- bib bic big bii bio bir bis bob boc bog boi boo bor bos brb brg bri bro brr brs bsb bsc bsg bsi bso bsr bss c-- cbb cbc cbg cbi cbo cbr cbs ccb ccc ccg cci cco ccr ccs cgb cgc cgg cgi cgo cgr cgs ci- cib cic cig cii cio cir cis co- cob coc cog coi coo cor cos crb crc crg cri cro crr crs csb csc csg csi cso csr css gbc gbg gbi gbo gbr gbs gcb gcc gcg gci gco gcr gcs ggb ggc ggg ggi ggo ggr ggs gib gic gig gii gio gir gis gob goc gog goi goo gor gos grb grc grg gri gro grr grs gsb gsc gsg gsi gso gsr gss ibb ibc ibg ibi ibo ibr ibs icb icc icg ici ico icr ics igb igc igg igi igo igr igs iib iic iii iio iir iis io- iob ioc iog ioi ioo ior ios ir- irb irc irg iri iro irr irs is- isb isc isg isi iso isr iss o-i ob- obb obc obg obi obo obr obs oc- ocb occ ocg oci oco ocr ocs ogc ogg ogi ogo ogs oib oic oii oio oir ois oo- oob ooc oog ooi ooo oor oos or- orb orc org ori oro orr ors os- osb osc osg osi oso osr oss rbb rbc rbg rbi rbo rbr rbs rcb rcc rcg rci rco rcr rcs rgb rgc rgg rgi rgo rgr rgs rib ric rig rii rio rir ris rob roc rog roi roo ror ros rrb rrc rrg rri rrr rrs rsb rsc rsg rsi rso rsr rss sbb sbc sbg sbi sbo sbr sbs scb scc scg sci sco scr scs sgb sgc sgg sgi sgo sgr sgs sib sic sig sii sio sir sis sob soc sog soi soo sor sos sr- srb src srg sri sro srr srs ss- ssb ssc ssg ssi sso ssr sss

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

bbsrc bibbo bibbs bibic bibio bibis bibos bibri bicsi big-i biggs bigig bigoo bigos bigrs bioci bioco biogs bioss birgi biroc