-er c-- ccc ccd cce cch ccn cco ccr cdc cdd cde cdh cdn cdo cdr ce- cec ced cee ceh cen ceo cer ch- chc chd che chh chn cho chr cn- cnc cnd cne cnh cnn cno cnr co- coc cod coe coh con coo cor crc crd cre crh crn cro crr dcc dcd dce dcn dco dcr ddc ddd dde ddh ddn ddo ddr de- dec ded dee deh den deo der dh- dhc dhd dhe dhh dho dhr dnc dnd dne dnh dnn dno dnr doc dod doe doh don doo dor drc drd dre drn dro drr ec- ecc ecd ece ech ecn eco ecr ed- edc edd ede edh edn edo edr eec eed eee een eeo eer ehc ehd ehe ehh ehn eho ehr en- enc end ene enh enn eno enr eo- eoc eod eoe eoh eon eoo eor erc erd ere erh ern ero err hcc hcd hce hch hcn hco hcr hdc hdd hde hdh hdn hdo hdr he- hec hed hee heh hen heo her hhc hhd hhe hhh hhn hho hhr hnc hnd hne hnh hnn hno hoc hod hoe hoh hon hoo hor hr- hrc hrd hre hrh hrn hro hrr ncc ncd nce nch ncn nco ncr ndc ndd nde ndh ndn ndo ndr ne- nec ned nee neh nen neo ner nhc nhd nhe nhh nhn nhr nnc nne nnh nnn nno no- noc nod noe noh non noo nor nrc nrd nre nrn nro nrr oc- occ ocd och ocn oco ocr odc odd ode odh odn odo odr oec oed oee oeh oen oeo oer ohc ohd ohe ohh ohn oho ohr on- onc ond one onh onn ono onr oo- ooc ood ooh oon ooo oor or- orc ord ore orh orn oro orr rcc rcd rce rch rcn rco rcr rdc rdd rde rdh rdn rdo rdr re- rec red ree reh ren reo rer rh- rhc rhd rhe rhh rhn rho rhr rnc rnd rnh rnn rno rnr roc rod roe roh ron roo ror rrc rrd rrh rrn rrr