ddd ddh ddo ddr dds dh- dhd dhh dho dhr dhs dod doh doo dor dos drd dro drr drs dsd dsh dso dsr dss hdd hdh hdo hdr hds hhd hhh hho hhr hhs hod hoh hoo hor hos hr- hrd hrh hro hrr hrs hsd hsh hsr hss odd odh odo odr ods ohd ohh oho ohr ohs oo- ood ooh ooo oor oos or- ord orh oro orr ors os- osd osh oso osr oss rdd rdh rdo rdr rds rh- rhd rhh rho rhr rhs rod roh roo ror ros rrd rrh rrr rrs rsd rsh rso rsr rss sdd sdh sdo sdr sds sh- shd shh sho shr shs sod soh soo sor sos sr- srd srh sro srr srs ss- ssd ssh sso ssr sss