-er c-- ccc ccd cce ccf cch cco ccr ccs cdc cdd cde cdf cdh cdo cdr cds ce- cec ced cee cef ceh ceo cer ces cfc cfd cfe cff cfh cfo cfr cfs ch- chc chd che chf chh cho chr chs co- coc cod coe cof coh coo cor cos crc crd cre crf crh cro crr crs csc csd cse csf csh cso csr css dcc dcd dce dcf dco dcr dcs ddc ddd dde ddf ddh ddo ddr dds de- dec ded dee def deh deo der des dfc dfd dfe dff dfh dfo dfr dfs dh- dhc dhd dhe dhf dhh dho dhr dhs doc dod doe dof doh doo dor dos drc drd dre dro drr drs dsc dsd dse dsf dsh dso dsr dss ec- ecc ecd ece ecf ech eco ecr ecs ed- edc edd ede edf edh edo edr eds eec eed eee eef eeo eer ees ef- efc efd efe eff efh efo efr efs ehc ehd ehe ehf ehh eho ehr ehs eo- eoc eod eoe eof eoh eoo eor eos erc erd ere erf erh ero err ers es- esc esd ese esf esh eso esr ess fcc fcd fce fcf fco fcr fcs fdc fdd fde fdf fdh fdo fdr fds fec fed fee fef feh feo fer fes ffc ffd ffe fff ffh ffo ffr ffs fhc fhe fhf fhh fho fhr fhs foc foe fof foh foo for fos frc frd fre frf frh fro frr frs fsc fsd fse fsf fsh fso fsr fss hcc hcd hce hcf hch hco hcr hcs hdc hdd hde hdf hdh hdo hdr hds he- hec hed hee hef heh heo her hes hfc hfd hfe hff hfh hfo hfr hfs hhc hhd hhe hhf hhh hho hhr hhs hoc hod hoe hof hoh hoo hor hos hr- hrc hrd hre hrf hrh hro hrr hrs hsc hsd hse hsf hsh hsr hss oc- occ ocd ocf och oco ocr ocs odc odd ode odf odh odo odr ods oec oed oee oef oeh oeo oer oes of- ofc ofd ofe off ofo ofr ofs ohc ohd ohe ohf ohh oho ohr ohs oo- ooc ood oof ooh ooo oor oos or- orc ord ore orf orh oro orr ors os- osc osd ose osf osh oso osr oss rcc rcd rce rcf rch rco rcr rcs rdc rdd rde rdf rdh rdo rdr rds re- rec red ree ref reh reo rer res rfc rfd rfe rff rfh rfo rfr rfs rh- rhc rhd rhe rhf rhh rho rhr rhs roc rod roe rof roh roo ror ros rrc rrd rrf rrh rrr rrs rsc rsd rse rsf rsh rso rsr rss scc scd sce scf sch sco scr scs sdc sdd sde sdf sdh sdo sdr sds se- sec sed see sef seh seo ser ses sfc sfd sfe sff sfh sfo sfr sfs sh- shc shd she shf shh sho shr shs soc sod soe sof soh soo sor sos sr- src srd sre srf srh sro srr srs ss- ssc ssd sse ssf ssh sso ssr sss