-ic bbb bbc bbd bbe bbf bbi bbl bbs bbt bcb bcc bcd bce bcf bci bcl bcs bct bdb bdc bdd bde bdf bdi bdl bds bdt be- beb bec bed bee bef bei bel bes bet bfb bfc bfd bfe bff bfi bfl bfs bft bi- bib bic bid bie bif bii bil bis bit blb blc bld ble blf bli bll bls blt bsb bsc bsd bse bsf bsi bsl bss bst btb btc btd bte btf bti btl bts btt c-- cbb cbc cbd cbe cbf cbi cbl cbs cbt ccb ccc ccd cce ccf cci ccl ccs cct cdb cdc cdd cde cdf cdi cdl cds cdt ce- ceb cec ced cee cef cei cel ces cet cfb cfc cfd cfe cff cfi cfl cfs cft ci- cib cic cid cie cif cii cil cis cit cl- clb clc cld cle clf cli cll cls clt csb csc csd cse csf csi csl css cst ctb ctc ctd cte ctf cti ctl cts ctt dbb dbc dbd dbe dbf dbi dbl dbs dbt dcb dcc dcd dce dcf dci dcl dcs dct ddb ddc ddd dde ddf ddi ddl dds ddt de- deb dec ded dee def dei del des det dfb dfc dfd dfe dff dfi dfl dfs dft di- dib dic did die dif dii dil dis dit dl- dlb dlc dld dle dlf dli dll dls dlt dsb dsc dsd dse dsf dsi dsl dss dst dtb dtc dtd dte dtf dti dtl dts dtt ebb ebc ebd ebe ebf ebi ebl ebs ebt ec- ecb ecc ecd ece ecf eci ecl ecs ect ed- edb edc edd ede edf edi edl eds edt eeb eec eed eee eef eel ees eet ef- efb efc efd efe eff efi efl efs eft eib eic eid eie eif eii eil eis eit elb elc eld ele elf eli ell els elt es- esb esc esd ese esf esi esl ess est etb etc etd ete etf eti etl ets ett fbb fbc fbd fbe fbf fbi fbl fbs fbt fcb fcc fcd fce fcf fci fcl fcs fct fdb fdc fdd fde fdf fdi fdl fds fdt feb fec fed fee fef fei fel fes fet ffc ffd ffe fff ffi ffl ffs fft fib fic fid fie fif fii fil fis fit flb flc fld fle flf fli fll fls flt fsb fsc fsd fse fsf fsi fsl fss fst ftb ftc ftd fte ftf fti ftl fts ftt i-d i-f ibb ibc ibd ibe ibf ibi ibl ibs ibt icb icc icd ice icf ici icl ics ict idb idc idd ide idf idi idl ids idt ie- iec ied iee ief iei iel ies iet ifb ifc ifd ife iff ifi ifl ifs ift iib iic iid iie iif iii iil iis iit il- ilb ilc ild ile ilf ili ill ils ilt is- isb isc isd ise isf isi isl iss ist itb itc itd ite itf iti itl its itt lbb lbc lbd lbe lbf lbi lbl lbs lbt lcb lcc lcd lce lcf lci lcl lcs lct ldb ldc ldd lde ldf ldi ldl lds ldt leb lec led lee lef lei lel les let lfb lfc lfd lfe lff lfi lfl lfs lft lib lic lid lie lif lii lil lis lit llb llc lld lle llf lli lll lls llt lsb lsc lsd lse lsf lsi lsl lss lst ltb ltc ltd lte ltf lti ltl lts ltt sbb sbc sbd sbe sbf sbi sbl sbs sbt scb scc scd sce scf sci scl scs sct sdb sdc sdd sde sdf sdi sdl sds sdt se- seb sec sed see sef sei sel ses set sfb sfc sfd sfe sff sfi sfl sfs sft sib sic sid sie sif sii sil sis sit slb slc sld sle slf sli sll sls slt ss- ssb ssc ssd sse ssf ssi ssl sss sst stb stc std ste stf sti stl sts stt tbb tbc tbd tbe tbf tbi tbl tbs tbt tcb tcc tcd tce tcf tci tcl tcs tct tdb tdc tdd tde tdf tdi tdl tds tdt te- teb tec ted tee tef tei tel tes tet tfb tfc tfd tfe tff tfi tfl tfs tft tib tic tid tie tif tii til tis tit tlc tld tle tlf tli tll tls tlt tsb tsc tsd tse tsf tsi tsl tss tst ttb ttc ttd tte ttf tti ttl tts ttt

bbbb bbbs bbci bbdd bbeb bbet bbfc bblb bbls bcbc bcbs bccc bcci bccl bccs bcde bcds bcec bces bcet bcfc bcie bcis bcit bcsc bcsl bcss bctc bcts bdbc bddc bdes bdii bdle bdls bdsd bebb bebe bebi beci becs bede bedi bedl beds beeb beed beef beel bees beet befe beff beft beic beil beis beit beld bele beli bell bels belt bes- bese bess best betc bete beti bets bett bfcs bffl bffs bfsi bfts bftt bibb bibe bibi bibl bibs bicc bice bici bics bide bidi bids bieb bied bief biel bies biet biff bifi biis bild bile bili bill bils bilt bis- bisc bisd bise bisl biss bist bitc bitd bite bits bitt blbt bldc bleb bled blee blei bles blet blfc blic blis blit blls blss blst blts bsbd bsci bscs bsdl bseb bsec bsed bsee bses bset bsfc bsff bsfs bsic bslc bssc bssd bsse bsts btcc btcl btcs btdt btec btfc btie btss bttb c-cd cbbc cbbs cbcc cbce cbcl cbcs cbct cbdb cbdc cbdi cbds cbec cbee cbef cbet cbfb cbfc cbid cbit cblb cblc cbsc cbse cbsi cbtc cbtf cbtl ccbc cccb cccc cccf ccci cccl cccs ccdc ccdf ccdi ccds cced ccee ccel ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccis cclc ccli ccls ccsd ccsf ccsi ccsl ccss ccst cctb cctc cctl cctt cd-e cdbf cdcs cddb cddl cdec cdef cdes cdfe cdfs cdic cdii cdis cdli cdls cdss cebs cec- cece ceci cecs cect cedd cede cedi cedt