-er -ic bbb bbc bbe bbi bbr bbs bcb bcc bce bci bcr bcs be- beb bec bee bei ber bes bi- bib bic bie bii bir bis brb bre bri brr brs bsb bsc bse bsi bsr bss c-- cbb cbc cbe cbi cbr cbs ccb ccc cce cci ccr ccs ce- ceb cec cee cei cer ces ci- cib cic cie cii cir cis crb crc cre cri crr crs csb csc cse csi csr css ebb ebc ebe ebi ebr ebs ec- ecb ecc ece eci ecr ecs eeb eec eee eer ees eib eic eie eii eir eis erb erc ere eri err ers es- esb esc ese esi esr ess ibb ibc ibe ibi ibr ibs icb icc ice ici icr ics ie- iec iee iei ier ies iib iic iie iii iir iis ir- irb irc ire iri irr irs is- isb isc ise isi isr iss rbb rbc rbe rbi rbr rbs rcb rcc rce rci rcr rcs re- reb rec ree rei rer res rib ric rie rii rir ris rrb rrc rri rrr rrs rsb rsc rse rsi rsr rss sbb sbc sbe sbi sbr sbs scb scc sce sci scr scs se- seb sec see sei ser ses sib sic sie sii sir sis sr- srb src sre sri srr srs ss- ssb ssc sse ssi ssr sss

bbbb bbbs bbci bbeb bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcie bcis bcrs bcsc bcss bebb bebe bebi beci becs beeb beer bees beic beir beis berc bere beri berr bers bes- bese bess bibb bibe bibi bibs bicc bice bici bics bieb bier bies biis birb bire biri birr birs bis- bisc bise biss brcb brce breb brec bree brei brer bres bric brie bris brrr brrs brsb brsr bsci bscs bseb bsec bsee bser bses bsic bssc bsse cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbir cbre cbsc cbse cbsi ccbc cccb cccc ccci cccs ccee ccic ccii ccir ccis ccrc ccre ccri ccrs ccsi ccss cebs cec- cece ceci cecs ceeb ceec cees cer- cerc cere ceri cers cesc cese cesi cesr cess cibc cibe cibi cicc cici cicr cics ciee cier cies ciii ciis cirb circ cire ciri cirr cirs cis- cisc cise cisr ciss crbc crcc crce crcr cre- creb crec cree crei cres crib cric crie 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 ecib ecis ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eerc eers eese eesi eics eiec eiei eier eies eire eirs eise eiss erbb erbe ercc erce ereb erec erei erer eres eric erie eris errc erre errs erse ersi esbs escb esce esci escr escs esee eser eses esie esis esri esse essi i-be ibcs ibec ibes ibie ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs icec icee icer ices icis icrc icre icrr icrs icsb icsc icse icsi icsr icss iecc ieie iere ieri iers iesc iesi iesr iies iiie iiii iiis iirc iirs iisc iisi iisr irbe ircc ircs iree irer ires iri- iric irie iris irrc irre irri irrs irse isbe iscc isci iscr iscs iseb isec isee iser ises isic isie isis isri issc isse issi issr isss rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcic rcis rcsc rcsi rcss rebb rebe rebs recc rece reci recr recs reeb rees reii reir reis rere reri rers rese resi ress rib- ribe ribs ricc rice rics rier ries riis rire riri rirs risc rise risi riss rrrr rsbi rscc rscs rsee rsis rsre s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbse sbsi scbi sccc scce sccs scec scee scer sci- scic scie scir scis scr- scrc scre scri scrs scsc scsi scsr se-c se-e se-i se-s sebe sebi sebs sec- secc sece secr secs seeb seec seer sees seie seii seir seis serb serc sere seri serr sers sesc sese sesi sess sibc sibe sibi sibs sicc sice sici sics siec sier sies sirc sire siri sirr sirs sisc sise sisi siss srbc srcc sreb srec sres srib sris ssbr sscc ssce ssci sscs ssec ssee sses ssis ssrc ssri ssrs sssb sssc sssi ssss

bbbee bbser bbsrc bcers be-er beber bebes bebic becic beebe beebs beeri beers beibi beice beier beire beirs berbe berec berei beres berie beris berre berri berse besee besic besie besri besse bessi bibbe bibbs biber bibes bibic bibie bibis bibri bicer bices bicsi biebe biebs biere bieri biers birie birrs birse bisce bisee bisei biser bises bisie bisse brece breer brees brere brers brese bress bribe brice brics briec brier bries brisb brise brisi briss brrrr brsec cbers cbirs ccccc cccii cciii cebec ceber cebes ceci- cecie cecri ceere ceese ceiss cerc- cerce cerci cercs cerec cerer ceres ceric cerie ceris cerre cerrs cerse cerss cesce cescr cesis cesse ciber cibir cicer cicis circe circs cires ciric cirie ciris cirr- cirri cirs- cirse ciser cises cisie cisse crebe crece creer crees creis cresc crese cress cribb cribe cribs crice crics crier cries crise criss crres csere cssii e-sir ebber ebbie ebers ebibe ecser eeeee eerie eires eirie eiseb eisie erbbe erber ercis ercsi erebs erecs ereis erere eresi ericb erice erics erier eries eriic erres erris erses esbri esces escis esere esics esiee esiri esser esses essie essse icbrr iceci icees iceis icers icici icier icscc iecee ieiri ierei iiiee iiiii iiris iisir irbis ircii irece iress iris- irise iriss irsee irssi is-is iscsi isisi isrec isrib issei isser issie issre isssc rcirc rebbe rebec reber rebis recce reece reecs reere reese reice reise reiss rere- reree reres reric rerir resee reses resse ribbi ribce riber ribes ribie ricci ricer rices ricse riers riese riesi riess riise rires ririe risee riser rises risse s-cis s-iii sccbc sccci scere scire sciri scise screc scree scrib scrie