-er c-- ccc ccd cce cch cco ccr ccs ccu cdc cdd cde cdh cdo cdr cds cdu ce- cec ced cee ceh ceo cer ces ceu ch- chc chd che chh cho chr chs chu co- coc cod coe coh coo cor cos cou crc crd cre crh cro crr crs cru csc csd cse csh cso csr css csu cuc cud cue cuh cuo cur cus cuu dcc dcd dce dco dcr dcs dcu ddc ddd dde ddh ddo ddr dds ddu de- dec ded dee deh deo der des deu dh- dhc dhd dhe dhh dho dhr dhs dhu doc dod doe doh doo dor dos dou drc drd dre dro drr drs dru dsc dsd dse dsh dso dsr dss dsu duc dud due duh duo dur dus ec- ecc ecd ece ech eco ecr ecs ecu ed- edc edd ede edh edo edr eds edu eec eed eee eeo eer ees ehc ehd ehe ehh eho ehr ehs ehu eo- eoc eod eoe eoh eoo eor eos eou erc erd ere erh ero err ers eru es- esc esd ese esh eso esr ess esu eu- euc eud eue eur eus hcc hcd hce hch hco hcr hcs hdc hdd hde hdh hdo hdr hds hdu he- hec hed hee heh heo her hes heu hhc hhd hhe hhh hho hhr hhs hhu hoc hod hoe hoh hoo hor hos hou hr- hrc hrd hre hrh hro hrr hrs hru hsc hsd hse hsh hsr hss hsu huc hud hue huh huo hur hus huu oc- occ ocd och oco ocr ocs ocu odc odd ode odh odo odr ods odu oec oed oee oeh oeo oer oes ohc ohd ohe ohh oho ohr ohs ohu oo- ooc ood ooh ooo oor oos or- orc ord ore orh oro orr ors oru os- osc osd ose osh oso osr oss osu ou- ouc oud oue ouh ouo our ous rcc rcd rce rch rco rcr rcs rcu rdc rdd rde rdh rdo rdr rds rdu re- rec red ree reh reo rer res reu rh- rhc rhd rhe rhh rho rhr rhs rhu roc rod roe roh roo ror ros rou rrc rrd rrh rrr rrs rru rsc rsd rse rsh rso rsr rss rsu ruc rud rue ruh ruo rur rus ruu scc scd sce sch sco scr scs scu sdc sdd sde sdh sdo sdr sds sdu se- sec sed see seh seo ser ses seu sh- shc shd she shh sho shr shs shu soc sod soe soh soo sor sos sou sr- src srd sre srh sro srr srs ss- ssc ssd sse ssh sso ssr sss ssu suc sud sue suh suo sur sus suu ucc ucd uce uch uco ucr ucs ucu udc udd ude udo udr uds udu uec ued uee ueh uer ues uhc uhd uhe uhh uho uhr uhs uhu uoc uod uoe uoo uor uos ur- urc urd ure uro urr urs uru usc usd use ush uso usr uss usu uuc uue uur uus uuu