-er c-- ccc ccd cce cch ccr ccs ccu cdc cdd cde cdh cdr cds cdu ce- cec ced cee ceh cer ces ceu ch- chc chd che chh chr chs chu crc crd cre crh crr crs cru csc csd cse csh csr css csu cuc cud cue cuh cur cus cuu dcc dcd dce dcr dcs dcu ddc ddd dde ddh ddr dds ddu de- dec ded dee deh der des deu dh- dhc dhd dhe dhh dhr dhs dhu drc drd dre drr drs dru dsc dsd dse dsh dsr dss dsu duc dud due duh dur dus ec- ecc ecd ece ech ecr ecs ecu ed- edc edd ede edh edr eds edu eec eed eee eer ees ehc ehd ehe ehh ehr ehs ehu erc erd ere erh err ers eru es- esc esd ese esh esr ess esu eu- euc eud eue eur eus hcc hcd hce hch hcr hcs hdc hdd hde hdh hdr hds hdu he- hec hed hee heh her hes heu hhc hhd hhe hhh hhr hhs hhu hr- hrc hrd hre hrh hrr hrs hru hsc hsd hse hsh hsr hss hsu huc hud hue huh hur hus huu rcc rcd rce rch rcr rcs rcu rdc rdd rde rdh rdr rds rdu re- rec red ree reh rer res reu rh- rhc rhd rhe rhh rhr rhs rhu rrc rrd rrh rrr rrs rru rsc rsd rse rsh rsr rss rsu ruc rud rue ruh rur rus ruu scc scd sce sch scr scs scu sdc sdd sde sdh sdr sds sdu se- sec sed see seh ser ses seu sh- shc shd she shh shr shs shu sr- src srd sre srh srr srs ss- ssc ssd sse ssh ssr sss ssu suc sud sue suh sur sus suu ucc ucd uce uch ucr ucs ucu udc udd ude udr uds udu uec ued uee ueh uer ues uhc uhd uhe uhh uhr uhs uhu ur- urc urd ure urr urs uru usc usd use ush usr uss usu uuc uue uur uus uuu