-er ddd dde ddh ddr dds de- ded dee deh der des dh- dhd dhe dhh dhr dhs drd dre drr drs dsd dse dsh dsr dss ed- edd ede edh edr eds eed eee eer ees ehd ehe ehh ehr ehs erd ere erh err ers es- esd ese esh esr ess hdd hde hdh hdr hds he- hed hee heh her hes hhd hhe hhh hhr hhs hr- hrd hre hrh hrr hrs hsd hse hsh hsr hss rdd rde rdh rdr rds re- red ree reh rer res rh- rhd rhe rhh rhr rhs rrd rrh rrr rrs rsd rse rsh rsr rss sdd sde sdh sdr sds se- sed see seh ser ses sh- shd she shh shr shs sr- srd sre srh srr srs ss- ssd sse ssh ssr sss