-ic bbb bbc bbd bbe bbi bbk bbs bbt bcb bcc bcd bce bci bck bcs bct bdb bdc bdd bde bdi bdk bds bdt be- beb bec bed bee bei bek bes bet bi- bib bic bid bie bii bik bis bit bkb bkc bke bkk bks bkt bsb bsc bsd bse bsi bsk bss bst btb btc btd bte bti btk bts btt c-- cbb cbc cbd cbe cbi cbk cbs cbt ccb ccc ccd cce cci cck ccs cct cdb cdc cdd cde cdi cdk cds cdt ce- ceb cec ced cee cei cek ces cet ci- cib cic cid cie cii cik cis cit ckb ckc ckd cki cks ckt csb csc csd cse csi csk css cst ctb ctc ctd cte cti ctk cts ctt dbb dbc dbd dbe dbi dbk dbs dbt dcb dcc dcd dce dci dck dcs dct ddb ddc ddd dde ddi ddk dds ddt de- deb dec ded dee dei dek des det di- dib dic did die dii dik dis dit dkb dkc dke dki dkk dks dkt dsb dsc dsd dse dsi dsk dss dst dtb dtc dtd dte dti dtk dts dtt ebb ebc ebd ebe ebi ebk ebs ebt ec- ecb ecc ecd ece eci eck ecs ect ed- edb edc edd ede edi edk eds edt eeb eec eed eee eek ees eet eib eic eid eie eii eik eis eit ekb ekc ekd eke eki eks ekt es- esb esc esd ese esi esk ess est etb etc etd ete eti etk ets ett i-d ibb ibc ibd ibe ibi ibk ibs ibt icb icc icd ice ici ick ics ict idb idc idd ide idi idk ids idt ie- iec ied iee iei iek ies iet iib iic iid iie iii iis iit ikb ikc ike iki ikk iks ikt is- isb isc isd ise isi isk iss ist itb itc itd ite iti itk its itt k-t kbb kbc kbd kbe kbi kbk kbs kcb kcc kcd kce kci kck kcs kct kdb kdc kde kdk kds kdt ke- keb kec ked kee kei kek kes ket kib kic kid kie kii kik kis kit kkb kkc kke kki kkk kks kkt ksb ksc ksd kse ksi ksk kss kst ktb ktc kte ktk kts ktt sbb sbc sbd sbe sbi sbk sbs sbt scb scc scd sce sci sck scs sct sdb sdc sdd sde sdi sdk sds sdt se- seb sec sed see sei sek ses set sib sic sid sie sii sik sis sit sk- skb skc skd ske ski skk sks skt ss- ssb ssc ssd sse ssi ssk sss sst stb stc std ste sti stk sts stt tbb tbc tbd tbe tbi tbk tbs tbt tcb tcc tcd tce tci tck tcs tct tdb tdc tdd tde tdi tdk tds tdt te- teb tec ted tee tei tek tes tet tib tic tid tie tii tik tis tit tkb tkc tke tkk tks tkt tsb tsc tsd tse tsi tsk tss tst ttb ttc ttd tte tti ttk 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 beck becs bede bedi beds beeb beed beek bees beet beic beik beis beit beke beki beks bes- bese besk bess best betc bete beti bets bett bibb bibe bibi bibs bicc bice bici bick bics bide bidi bids bieb bied bies biet biis bike bis- bisc bisd bise bisk biss bist bitc bitd bite bits bitt bsbd bsci bscs bseb bsec bsed bsee bses bset bsic bskt bssc bssd bsse bsts btcc btcs btdt btec btek 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 ceke 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 cisk ciss cist citb cite citi cits citt ckbc ckbe ckbi ckck ckcs cksb ckst cktb ckts cscb cscc cscd csce csci cscs csdb csec csee cset csib csid csik csis csit csks 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 deck decs dect dedd dede dedi deeb deed deek dees deet deid deie deis deit dek- deke deks des- desc dese desi desk dess dest dete detk dets dibb dibe dibs dice dici dick dict dide didi dids dieb died dies diet diii diis dike diki dis- disc disd dise disi disk diss dist dite diti dits ditt dkdc dkid dsbc dscc dscs dsei dssc dssi dsst dstc dsts dtcc dted dtek dtki dtss ebbc ebbs ebcc ebed ebes ebic ebid ebis ebit ecbc ecbe eccb eccc ecce ecci ecct ecdc eced eces ecib ecis ecit ecks ecsc ecse ecss ect- ectc ects eddc edde eddi edds ede- edei edes edie edik edis edit edss edts eecs eede eeee eees eeke eeks eese eesi eesk eetc eete eets eick eics eid- eide eidi eiec eied eiei eies eike eiki eiks eisd eise eisk eiss eist eitb eitc eiti ekeb eked ekek ekes eket ekis ekki eksi esbs escb esce esci escs esdi esds esee esek eses eset esie esik esis esit eske esks esse essi esst estc estd este ests etbc etcc etcs etds etec etee etes etic etik etsi ette etti i-be ibcs ibec ibed ibes ibet ibid ibie ibis