-er -ic b-u bbb bbc bbd bbe bbi bbr bbs bbu bcb bcc bcd bce bci bcr bcs bcu bdb bdc bdd bde bdi bdr bds bdu be- beb bec bed bee bei ber bes beu bi- bib bic bid bie bii bir bis biu brb brd bre bri brr brs bru bsb bsc bsd bse bsi bsr bss bsu bub buc bud bue bui bur bus buu c-- cbb cbc cbd cbe cbi cbr cbs cbu ccb ccc ccd cce cci ccr ccs ccu cdb cdc cdd cde cdi cdr cds cdu ce- ceb cec ced cee cei cer ces ceu ci- cib cic cid cie cii cir cis ciu crb crc crd cre cri crr crs cru csb csc csd cse csi csr css csu cub cuc cud cue cui cur cus cuu dbb dbc dbd dbe dbi dbr dbs dbu dcb dcc dcd dce dci dcr dcs dcu ddb ddc ddd dde ddi ddr dds ddu de- deb dec ded dee dei der des deu di- dib dic did die dii dir dis diu drb drc drd dre dri drr drs dru dsb dsc dsd dse dsi dsr dss dsu dub duc dud due dui dur dus ebb ebc ebd ebe ebi ebr ebs ebu ec- ecb ecc ecd ece eci ecr ecs ecu ed- edb edc edd ede edi edr eds edu eeb eec eed eee eer ees eib eic eid eie eii eir eis eiu erb erc erd ere eri err ers eru es- esb esc esd ese esi esr ess esu eu- eub euc eud eue eui eur eus i-d ibb ibc ibd ibe ibi ibr ibs ibu icb icc icd ice ici icr ics icu idb idc idd ide idi idr ids idu ie- iec ied iee iei ier ies iib iic iid iie iii iir iis iiu ir- irb irc ird ire iri irr irs iru is- isb isc isd ise isi isr iss isu iu- iub iuc iud iue iui iur ius rbb rbc rbd rbe rbi rbr rbs rbu rcb rcc rcd rce rci rcr rcs rcu rdb rdc rdd rde rdi rdr rds rdu re- reb rec red ree rei rer res reu rib ric rid rie rii rir ris rrb rrc rrd rri rrr rrs rru rsb rsc rsd rse rsi rsr rss rsu rub ruc rud rue rui rur rus ruu sbb sbc sbd sbe sbi sbr sbs sbu scb scc scd sce sci scr scs scu sdb sdc sdd sde sdi sdr sds sdu se- seb sec sed see sei ser ses seu sib sic sid sie sii sir sis siu sr- srb src srd sre sri srr srs ss- ssb ssc ssd sse ssi ssr sss ssu sub suc sud sue sui sur sus suu ubb ubc ube ubi ubr ubs ubu ucb ucc ucd uce uci ucr ucs ucu udb udc udd ude udi udr uds udu ueb uec ued uee uei uer ues uib uic uid uie uii uir uis uiu ur- urb urc urd ure uri urr urs uru usb usc usd use usi usr uss usu uuc uue uur uus uuu

bbbb bbbs bbci bbdd bbeb bbrc bcbc bcbs bccc bcci bccs bcde bcds bcec bcer bces bcie bcis bcrs bcru bcsc bcss bcuc bd-r bdbc bddc bdes bdii bdsd bebb bebe bebi beci becs becu bede bedi beds bedu beeb beed beer bees beic beir beis berc berd bere beri berr bers beru bes- bese bess beur bibb bibe bibi bibs bicc bice bici bics bide bidi bidr bids bidu bieb bied bier bies bieu biis birb bird bire biri birr birs biru bis- bisc bisd bise biss bisu brcb brce brds breb brec bred bree brei brer bres bric brid brie bris brrr brrs brsb brsr bruc brud brue brus bsbd bsci bscs bseb bsec bsed bsee bser bses bsic bsrd bssc bssd bsse bubb bube bubi bubs bubu bucc buce buci bucs bucu budb budd bude budi buds budu buer bueu buic buid buie buir buis buiu bur- burb burd bure buri burr burs buru busc buse busi buss busu buus c-cd cbbc cbbs cbcc cbce cbcr cbcs cbcu cbdb cbdc cbdi cbds cbec cbee cber cbid cbir cbrd cbre cbsc cbse cbsi cbus ccbc cccb cccc ccci cccs cccu ccdc ccdi ccdr ccds cced ccee ccic ccid ccii ccir ccis ccrc ccre ccri ccrs ccsd ccsi ccss ccuc ccus cd-e cd-r cdcs cddb cddr cdec cder cdes cdic cdii cdis cdre cdrs cdss cebs cebu cec- cece ceci cecs cedd cede cedi cedu ceeb ceec cees cer- cerc cerd cere ceri cers cesc cese cesi cesr cess ceui cibc cibe cibi cicc cici cicr cics cicu cidc cide cidi cidr cids ciee cier cies ciid ciii ciis cirb circ cire ciri cirr cirs cis- cisc cisd cise cisr ciss ciuc cius crbc crbu crcc crce crcr crdc cre- creb crec cred cree crei cres creu crib cric crie cris criu crss crub crud crue crus cscb cscc cscd csce csci cscr cscs csdb csdr csec csee cser csib csid csir csis csrc csrd csrs cssd csse cssr csur csus cub- cubb cube cubi cubs cucc cuce cuci cude cudi cuds cued cuer cues cui- cuir cuis curb curd cure curi curr curs cusb cusd cuss cusu dbcc dbcs dbrs dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dcii dcis dcsc dcss dddd ddes ddie ddrc ddre ddss ddub debe debi debs debu dec- decc decd dece deci decs dedd dede dedi dedu deeb deed deer dees deid deie deir deis der- derb derc dere deri derr ders des- desc dese desi dess desu deue deur deus dibb dibe dibs dice dici dide didi dids didu dieb died dier dies dieu diii diis dird dire dirr dirs dis- disc disd dise disi diss dius drbc dred dree drei dres drib dric drie drrs drub drue drui drus druu dsbc dscc dscr dscs dsdr dsei dsrc dsri dsrr dssc dssi dub- dubb dubc dube dubs dubu duce