-er bbb bbc bbe bbr bbs bcb bcc bce bcr bcs be- beb bec bee ber bes brb bre brr brs bsb bsc bse bsr bss c-- cbb cbc cbe cbr cbs ccb ccc cce ccr ccs ce- ceb cec cee cer ces crb crc cre crr crs csb csc cse csr css ebb ebc ebe ebr ebs ec- ecb ecc ece ecr ecs eeb eec eee eer ees erb erc ere err ers es- esb esc ese esr ess rbb rbc rbe rbr rbs rcb rcc rce rcr rcs re- reb rec ree rer res rrb rrc rrr rrs rsb rsc rse rsr rss sbb sbc sbe sbr sbs scb scc sce scr scs se- seb sec see ser ses sr- srb src sre srr srs ss- ssb ssc sse ssr sss

bbbb bbbs bbeb bbrc bcbc bcbs bccc bccs bcec bcer bces bcrs bcsc bcss bebb bebe becs beeb beer bees berc bere berr bers bes- bese bess brcb brce breb brec bree brer bres brrr brrs brsb brsr bscs bseb bsec bsee bser bses bssc bsse cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbre cbsc cbse ccbc cccb cccc cccs ccee ccrc ccre ccrs ccss cebs cec- cece cecs ceeb ceec cees cer- cerc cere cers cesc cese cesr cess crbc crcc crce crcr cre- creb crec cree cres crss cscb cscc csce cscr cscs csec csee cser csrc csrs csse cssr ebbc ebbr ebbs ebcc eber ebes ecbc ecbe eccb eccc ecce eces ecrc ecrr ecsc ecse ecss eecs eeee eees eerc eers eese erbb erbe ercc erce ereb erec erer eres errc erre errs erse esbs escb esce escr escs esee eser eses esse rbbb rbbr rbbs rbss rcbc rccb rccc rccs rcsc rcss rebb rebe rebs recc rece recr recs reeb rees rere rers rese ress rrrr rscc rscs rsee rsre sbbs sbcc sbcs sber sbse sccc scce sccs scec scee scer scr- scrc scre scrs scsc scsr se-c se-e se-s sebe sebs sec- secc sece secr secs seeb seec seer sees serb serc sere serr sers sesc sese sess srbc srcc sreb srec sres ssbr sscc ssce sscs ssec ssee sses ssrc ssrs sssb sssc ssss

bbbee bbser bbsrc bcers be-er beber bebes beebe beebs beers berbe berec beres berre berse besee besse brece breer brees brere brers brese bress brrrr brsec cbers ccccc cebec ceber cebes ceere ceese cerc- cerce cercs cerec cerer ceres cerre cerrs cerse cerss cesce cescr cesse crebe crece creer crees cresc crese cress crres csere ebber ebers ecser eeeee erbbe erber erebs erecs erere erres erses esces esere esser esses essse rebbe rebec reber recce reece reecs reere reese rere- reree reres resee reses resse sccbc scere screc scree sebbe sebes secre seebe seece seere seers seese serbs serce serec serer seres serre serse serss sesce seser seses sesse srbce srbec sssrb sssss

bbbbbb bbsers beebee beebes beerse berbee berber berbes berere berrer berres bersee besbes besbre besser besses brbcsc brebes breere breese breres bresse ceecee ceesse cesser cesses creese cresce cresse csecse ebbers eebree erbree essess esssse rebbec rebbes rebecs recces recess reeser reeses rerees resees screeb screes sebree sebseb secess secres see-er seesee sercer serere serers serre- serres sesser sesses

bbbbbbb berbere berbers breeses bresser cerbere cerebr- cessers creeses cresser cresses seeress seesees sssssss

bbbbbbbb berebere besserer recesser recesses

beebeebee cserebere seeresses

bbbbbbbbbbbbbbb ccccccccccccccc