-er -ic bbb bbc bbe bbh bbi bbr bbs bcb bcc bce bch bci bcr bcs be- beb bec bee beh bei ber bes bhb bhc bhe bhh bhi bhr bhs bi- bib bic bie bih bii bir bis brb bre brh bri brr brs bsb bsc bse bsh bsi bsr bss c-- cbb cbc cbe cbh cbi cbr cbs ccb ccc cce cch cci ccr ccs ce- ceb cec cee ceh cei cer ces ch- chb chc che chh chi chr chs ci- cib cic cie cih cii cir cis crb crc cre crh cri crr crs csb csc cse csh csi csr css ebb ebc ebe ebh ebi ebr ebs ec- ecb ecc ece ech eci ecr ecs eeb eec eee eer ees ehb ehc ehe ehh ehi ehr ehs eib eic eie eii eir eis erb erc ere erh eri err ers es- esb esc ese esh esi esr ess h-i hbb hbc hbe hbh hbi hbr hbs hcb hcc hce hch hci hcr hcs he- heb hec hee heh hei her hes hhb hhc hhe hhh hhi hhr hhs hib hic hie hih hii hir his hr- hrb hrc hre hrh hri hrr hrs hsb hsc hse hsh hsi hsr hss ibb ibc ibe ibh ibi ibr ibs icb icc ice ich ici icr ics ie- iec iee iei ier ies ihb ihc ihe ihh ihi ihr ihs iib iic iie iih iii iir iis ir- irb irc ire iri irr irs is- isb isc ise ish isi isr iss rbb rbc rbe rbh rbi rbr rbs rcb rcc rce rch rci rcr rcs re- reb rec ree reh rei rer res rh- rhb rhc rhe rhh rhi rhr rhs rib ric rie rih rii rir ris rrb rrc rrh rri rrr rrs rsb rsc rse rsh rsi rsr rss sbb sbc sbe sbh sbi sbr sbs scb scc sce sch sci scr scs se- seb sec see seh sei ser ses sh- shb shc she shh shi shr shs sib sic sie sih sii sir sis sr- srb src sre srh sri srr srs ss- ssb ssc sse ssh ssi ssr sss

bbbb bbbs bbch bbci bbeb bbhs bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bche bchs bcie bcis bcrs bcsc bcss bebb bebe bebi bech beci becs beeb beer bees behr behs beic beir beis berc bere beri berr bers bes- bese besh bess bhcc bher bhhs bhie bhir bibb bibe bibi bibs bicc bice bich bici bics bieb bier bies bihe bihi bihs biis birb bire biri birr birs bis- bisc bise bish biss brcb brce breb brec bree brei brer bres brhs bric brie brih bris brrr brrs brsb brsr bsci bscs bseb bsec bsee bser bses bshs bsic bssc bsse cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbhs cbir cbre cbrh cbsc cbse cbsi ccbc cccb cccc ccci cccs ccee cche cchr cchs ccic ccii ccir ccis ccrc ccre ccri ccrs ccsi ccss cebs cec- cece ceci cecs ceeb ceec cees cehs cer- cerc cere ceri cers cesc cese cesi cesr cess chce chch chci chcs cheb chec chee cheh cher ches chhs chib chic chie chih chir chis chrb chrc chrr chrs chsc chse chsh chsi chsr cibc cibe cibi cicc cich cici cicr cics ciee cier cies cihr cihs ciii ciis cirb circ cire cirh ciri cirr cirs cis- cisc cise cish cisr ciss crbc crcc crce crcr cre- creb crec cree creh crei cres crhs crib cric crie cris crss cscb cscc csce csch csci cscr cscs csec csee cseh cser cshs csib csir csis csrc csrs csse cssr ebbc ebbr ebbs ebcc eber ebes ebhs ebic ebis ecbc ecbe eccb eccc ecce ecci eces eche echs ecib ecis ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eehs eerc eers eese eesi ehcc eheh eher ehhs ehis ehre eich eics eiec eiei eier eies eire eirs eise eish eiss erbb erbe ercc erce erch ereb erec erei erer eres erhc erhs eric erie erih eris errc erre errs erse ersh ersi esbs escb esce esch esci escr escs esee eser eses eshs esie esis esri esse essh essi h-ii hbbs hbes hbhs hbic hbrs hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcss hebb hebe hebi hebr hech hecs heeb heer hees hehe hehs heic heie heih heir heis herb herc here heri herr hers hesc hesh hess hhhh hhhs hi-c hibi hicc hice hich hics hiei hier hies hihc hihe hihi hiie hiis hire hiri hirs hisb hise hish hiss hree hrhs hrib hrrc hsbc hscc hsci hsei hses hshs hsse i-be ibcs ibec ibeh ibes ibie ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs icec icee icer ices ichc iche ichi ichr ichs icis icrc icre icrr icrs icsb icsc icse icsh icsi icsr icss iecc ieie iere ieri iers iesc iesi iesr ihcc iher ihis ihrc ihre ihss iies iiie iiii iiis iirc iirs iisc iisi iisr irbe ircc ircs iree irer ires irhs iri- iric irie iris irrc irre irri irrs irse isbe iscc isch isci iscr iscs iseb isec isee iseh iser ises ishe ishi ishr ishs isic isie isis isri issc isse issh issi issr isss rbbb rbbr rbbs rbhs rbis rbss rcbc rccb rccc rccs rchb rchs rcic rcis rcsc rcsi rcss rebb rebe rebs recc rece rech reci recr recs reeb rees rehb rehe rehi rehs reii reir reis rere reri rers rese resh resi ress rhce rheb rhee rhes rhhs rhib rib- ribe ribs ricc rice rich rics rier ries rihs riis rire riri rirs risc rise rish risi riss rrhs rrrr rsbi rscc rsch rscs rsee rshs rsis rsre s-ib s-ic s-ii sbbs sbcc sbcs sber sbhc sbhs sbic sbse sbsi scbi sccc scce sccs scec scee scer sch- sche schh schi schr schs sci- scic scie scir scis scr- scrc scre scri scrs scsc scsh scsi scsr se-c se-e se-h se-i se-s sebe sebi sebs sec-