-ic bbb bbc bbd bbe bbi bbs bbt bcb bcc bcd bce bci bcs bct bdb bdc bdd bde bdi bds bdt be- beb bec bed bee bei bes bet bi- bib bic bid bie bii bis bit bsb bsc bsd bse bsi bss bst btb btc btd bte bti bts btt c-- cbb cbc cbd cbe cbi cbs cbt ccb ccc ccd cce cci ccs cct cdb cdc cdd cde cdi cds cdt ce- ceb cec ced cee cei ces cet ci- cib cic cid cie cii cis cit csb csc csd cse csi css cst ctb ctc ctd cte cti cts ctt dbb dbc dbd dbe dbi dbs dbt dcb dcc dcd dce dci dcs dct ddb ddc ddd dde ddi dds ddt de- deb dec ded dee dei des det di- dib dic did die dii dis dit dsb dsc dsd dse dsi dss dst dtb dtc dtd dte dti dts dtt ebb ebc ebd ebe ebi ebs ebt ec- ecb ecc ecd ece eci ecs ect ed- edb edc edd ede edi eds edt eeb eec eed eee ees eet eib eic eid eie eii eis eit es- esb esc esd ese esi ess est etb etc etd ete eti ets ett i-d ibb ibc ibd ibe ibi ibs ibt icb icc icd ice ici ics ict idb idc idd ide idi ids idt ie- iec ied iee iei ies iet iib iic iid iie iii iis iit is- isb isc isd ise isi iss ist itb itc itd ite iti its itt sbb sbc sbd sbe sbi sbs sbt scb scc scd sce sci scs sct sdb sdc sdd sde sdi sds sdt se- seb sec sed see sei ses set sib sic sid sie sii sis sit ss- ssb ssc ssd sse ssi sss sst stb stc std ste sti sts stt tbb tbc tbd tbe tbi tbs tbt tcb tcc tcd tce tci tcs tct tdb tdc tdd tde tdi tds tdt te- teb tec ted tee tei tes tet tib tic tid tie tii tis tit tsb tsc tsd tse tsi tss tst ttb ttc ttd tte tti tts ttt

bbbb bbbs bbci bbdd bbeb bbet bcbc bcbs bccc bcci bccs bcde bcds bcec bces bcet bcie bcis bcit bcsc bcss bctc bcts bdbc bddc bdes bdii bdsd bebb bebe bebi beci becs bede bedi beds beeb beed bees beet beic beis beit bes- bese bess best betc bete beti bets bett bibb bibe bibi bibs bicc bice bici bics bide bidi bids bieb bied bies biet biis bis- bisc bisd bise biss bist bitc bitd bite bits bitt bsbd bsci bscs bseb bsec bsed bsee bses bset bsic bssc bssd bsse bsts btcc btcs btdt btec btie btss bttb c-cd cbbc cbbs cbcc cbce cbcs cbct cbdb cbdc cbdi cbds cbec cbee cbet cbid cbit cbsc cbse cbsi cbtc ccbc cccb cccc ccci cccs ccdc ccdi ccds cced ccee ccic ccid ccii ccis ccsd ccsi ccss ccst cctb cctc cctt cd-e cdcs cddb cdec cdes cdic cdii cdis cdss cebs cec- cece ceci cecs cect cedd cede cedi cedt ceeb ceec cees cesc cese cesi cess cest cet- cete ceti cets cibc cibe cibi cicc cici cics cict cidc cide cidi cids cidt ciee cies ciid ciii ciis ciit cis- cisc cisd cise ciss cist citb cite citi cits citt cscb cscc cscd csce csci cscs csdb csec csee cset csib csid csis csit cssd csse cstc cstd csts ctbi ctbs ctec ctic ctsc ctss ctts dbcc dbcs dbit dbss dbtt dcbc dccb dccc dcci dccs dcct dcdb dcds dcii dcis dcsc dcss dctc dcts dddd ddes ddie ddss ddts debe debi debs debt dec- decc decd dece deci decs dect dedd dede dedi deeb deed dees deet deid deie deis deit des- desc dese desi dess dest dete dets dibb dibe dibs dice dici dict dide didi dids dieb died dies diet diii diis dis- disc disd dise disi diss dist dite diti dits ditt dsbc dscc dscs dsei dssc dssi dsst dstc dsts dtcc dted dtss ebbc ebbs ebcc ebed ebes ebic ebid ebis ebit ecbc ecbe eccb eccc ecce ecci ecct ecdc eced eces ecib ecis ecit ecsc ecse ecss ect- ectc ects eddc edde eddi edds ede- edei edes edie edis edit edss edts eecs eede eeee eees eese eesi eetc eete eets eics eid- eide eidi eiec eied eiei eies eisd eise eiss eist eitb eitc eiti esbs escb esce esci escs esdi esds esee eses eset esie esis esit esse essi esst estc estd este ests etbc etcc etcs etds etec etee etes etic etsi ette etti i-be ibcs ibec ibed ibes ibet ibid ibie ibis ibss ibtb ibtc ibts icbc icbd icbs iccb iccc icci iccs icct icdc icdd icde icec iced icee ices icet icis icsb icsc icsd icse icsi icss icst icts idbe idce idec ided idee ides idic idid idie idis idsc idse idss idts iecc ieds ieet ieie iesc iesi iest iett iicd iide iied iies iiie iiii iiis iiit iisc iisd iisi iist iitt isbd isbe isbt iscc iscd isci iscs isct isdb isdc isde isds iseb isec ised isee ises iset isic isie isis isit issc isse issi isss istc istd iste isti ists itbe itbs itcs itec ites itet itic itie itis itse itsi s-ib s-ic s-ii sbbs sbcc sbcs sbct sbds sbic sbsd sbse sbsi sbst sbtc scbi sccc scce sccs scct scdc scds scec scee scet sci- scic scid scie scis scit scsc scsd scsi scst sctc sctd scts sdcc sddc sdds sdes sdet sdib sdic sdsc sdss se-c se-d se-e se-i se-s se-t sebe sebi sebs sebt sec- secc secd sece secs sect sede seds seeb seec seed sees seet seid seie seii seis seit sesc sese sesi sess sest set- setc sete seti sets sett sibc sibe sibi sibs sicc sice sici sics sidd side sidi sids siec sied sies siit sisc sisd sise sisi siss sist sit- sitc sitd site siti sits