-er c-- ccc ccd cce cch cco ccr ccu cdc cdd cde cdh cdo cdr cdu ce- cec ced cee ceh ceo cer ceu ch- chc chd che chh cho chr chu co- coc cod coe coh coo cor cou crc crd cre crh cro crr cru cuc cud cue cuh cuo cur cuu dcc dcd dce dco dcr dcu ddc ddd dde ddh ddo ddr ddu de- dec ded dee deh deo der deu dh- dhc dhd dhe dhh dho dhr dhu doc dod doe doh doo dor dou drc drd dre dro drr dru duc dud due duh duo dur ec- ecc ecd ece ech eco ecr ecu ed- edc edd ede edh edo edr edu eec eed eee eeo eer ehc ehd ehe ehh eho ehr ehu eo- eoc eod eoe eoh eoo eor eou erc erd ere erh ero err eru eu- euc eud eue eur hcc hcd hce hch hco hcr hdc hdd hde hdh hdo hdr hdu he- hec hed hee heh heo her heu hhc hhd hhe hhh hho hhr hhu hoc hod hoe hoh hoo hor hou hr- hrc hrd hre hrh hro hrr hru huc hud hue huh huo hur huu oc- occ ocd och oco ocr ocu odc odd ode odh odo odr odu oec oed oee oeh oeo oer ohc ohd ohe ohh oho ohr ohu oo- ooc ood ooh ooo oor or- orc ord ore orh oro orr oru ou- ouc oud oue ouh ouo our rcc rcd rce rch rco rcr rcu rdc rdd rde rdh rdo rdr rdu re- rec red ree reh reo rer reu rh- rhc rhd rhe rhh rho rhr rhu roc rod roe roh roo ror rou rrc rrd rrh rrr rru ruc rud rue ruh ruo rur ruu ucc ucd uce uch uco ucr ucu udc udd ude udo udr udu uec ued uee ueh uer uhc uhd uhe uhh uho uhr uhu uoc uod uoe uoo uor ur- urc urd ure uro urr uru uuc uue uur uuu