bbbb bbbs bbci bbeb bbrc bbrg bcbc bcbg bcbs bccc bcci bccs bcec bcer bces bcgs bcie bcis bcrs bcsc bcss bebb bebe bebi beci becs beeb beeg beer bees begg begi begs beic beir beis berc bere berg beri berr bers bes- bese bess bggs bibb bibe bibi bibs bicc bice bicg bici bics bieb bier bies bigb bigc bige bigg bigs biis birb bire birg biri birr birs bis- bisc bise biss brcb brce breb brec bree breg brei brer bres bric brie brig bris brrr brrs brsb brsr bsci bscs bseb bsec bsee bseg bser bses bsgs bsic bssc bsse cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbgb cbir cbre cbsc cbse cbsi ccbc cccb cccc ccci cccs ccee ccgc ccgs ccic ccii ccir ccis ccrc ccre ccrg ccri ccrs ccsg ccsi ccss cebs cec- cece ceci cecs ceeb ceec cees cege cer- cerc cere ceri cers cesc cese cesg cesi cesr cess cgcc cgcg cger cges cggs cgis cgsb cgss cibc cibe cibi cicc cici cicr cics ciee cier cies cigi cigs ciii ciis cirb circ cire ciri cirr cirs cis- cisc cise cisr ciss crbc crcc crce crcr cre- creb crec cree creg crei cres crgs crib cric crie crig cris crss cscb cscc csce csci cscr cscs csec csee cser csib csir csis csrc csrs csse cssr ebbc ebbr ebbs ebcc eber ebes ebic ebis ecbc ecbe eccb eccc ecce ecci eces ecgs ecib ecig ecis ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eegs eerc eerg eers eese eesi egbe egcc egcg egcr egec egee eger eggb egge eggi eggs egir egis egre egri egsc egss eics eiec eiei eier eies eige eigg eire eirs eise eiss erbb erbe ercc erce ereb erec erei erer eres erg- ergg ergi ergs eric erie eris errc erre errs erse ersi esbs escb esce esci escr escs esee eser eses esie esis esri esse essg essi gbbs gc-c gcbc gccc gccs gcic gcii gcrg gcse gcss gebe gebi gece geer gees gege gegg geic geie geig geir geis gerb gere geri gers gesg gesi gess gggg ggss gibb gibe gibs gicr gier gies gige gigg gigi gigs giis gire girg giri girr girs gise giss grbr grcc grce greb grec gree greg gres grib gric grie grig gris grrr grrs grss gsis gsse i-be ibcs ibec ibeg ibes ibge ibie ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs icec icee icer ices icgc icis icrc icre icrr icrs icsb icsc icse icsi icsr icss iecc ieie iere ieri iers iesc iesg iesi iesr igbc igcc iger iges iggs igis igri iies iiie iiii iiis iirc iirs iisc iisi iisr irbe ircc ircg ircs iree irer ires irgs iri- iric irie irig iris irrc irre irri irrs irse irsg isbe iscc isci iscr iscs iseb isec isee iser ises isgc isic isie isis isrg isri issc isse issi issr isss rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcgc rcic rcis rcrg rcsc rcsi rcss rebb rebe rebs recc rece reci recr recs reeb rees rege regi regr regs reii reir reis rere rerg reri rers rese resi ress rgbe rgbi rib- ribe ribs ricc rice rics rier ries rige rigg rigi rigs riis rire riri rirs risc rise risi riss rrrr rsbi rscc rscs rsee rsgb rsgc rsis rsre s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbig sbse sbsi scbi sccc scce sccs scec scee sceg scer scgs sci- scic scie scir scis scr- scrc scre scri scrs scsc scsi scsr se-c se-e se-g se-i se-s sebe sebi sebs sec- secc sece secg secr secs seeb seec seeg seer sees sege segg segi segs seie seii seir seis serb serc sere serg seri serr sers sesc sese sesi sess sgcb sgce sgcg sger sges sggg sggs sgic sgss sibc sibe sibi sibs sicc sice sici sics siec sieg sier sies sige sigg sigi sigs sirc sire siri sirr sirs sisc sise sisi siss srbc srcc sreb srec sres srgb srib sris ssbr sscc ssce ssci sscs ssec ssee sses ssgs ssis ssrc ssrg ssri ssrs sssb sssc sssi ssss