c-- ccc ccd ccf cch cco ccr cdc cdd cdf cdh cdo cdr cfc cfd cff cfh cfo cfr ch- chc chd chf chh cho chr co- coc cod cof coh coo cor crc crd crf crh cro crr dcc dcd dcf dco dcr ddc ddd ddf ddh ddo ddr dfc dfd dff dfh dfo dfr dh- dhc dhd dhf dhh dho dhr doc dod dof doh doo dor drc drd dro drr fcc fcd fcf fco fcr fdc fdd fdf fdh fdo fdr ffc ffd fff ffh ffo ffr fhc fhf fhh fho fhr foc fof foh foo for frc frd frf frh fro frr hcc hcd hcf hch hco hcr hdc hdd hdf hdh hdo hdr hfc hfd hff hfh hfo hfr hhc hhd hhf hhh hho hhr hoc hod hof hoh hoo hor hr- hrc hrd hrf hrh hro hrr oc- occ ocd ocf och oco ocr odc odd odf odh odo odr of- ofc ofd off ofo ofr ohc ohd ohf ohh oho ohr oo- ooc ood oof ooh ooo oor or- orc ord orf orh oro orr rcc rcd rcf rch rco rcr rdc rdd rdf rdh rdo rdr rfc rfd rff rfh rfo rfr rh- rhc rhd rhf rhh rho rhr roc rod rof roh roo ror rrc rrd rrf rrh rrr