ddd ddf ddh ddk ddo ddr dds dfd dff dfh dfk dfo dfr dfs dh- dhd dhf dhh dhk dho dhr dhs dkk dko dkr dks dod dof doh dok doo dor dos drd drk dro drr drs dsd dsf dsh dsk dso dsr dss fdd fdf fdh fdk fdo fdr fds ffd fff ffh ffk ffo ffr ffs fhf fhh fho fhr fhs fkf fkk fof foh fok foo for fos frd frf frh frk fro frr frs fsd fsf fsh fsk fso fsr fss hdd hdf hdh hdk hdo hdr hds hfd hff hfh hfk hfo hfr hfs hhd hhf hhh hhk hho hhr hhs hkd hkf hkh hkk hko hkr hks hod hof hoh hok hoo hor hos hr- hrd hrf hrh hrk hro hrr hrs hsd hsf hsh hsk hsr hss kdf kdh kdk kdo kdr kds kfd kff kfh kfo kfs khf khh khk kho khr khs kkh kkk kkr kks kod kof koh kok koo kor kos krd krf krk kro krr krs ksd ksf ksh ksk kso ksr kss odd odf odh odo odr ods of- ofd off ofo ofr ofs ohd ohf ohh oho ohr ohs okd okk oko okr oks oo- ood oof ooh ook ooo oor oos or- ord orf orh ork oro orr ors os- osd osf osh osk oso osr oss rdd rdf rdh rdo rdr rds rfd rff rfh rfk rfo rfr rfs rh- rhd rhf rhh rho rhr rhs rkf rkk rko rks rod rof roh rok roo ror ros rrd rrf rrh rrk rrr rrs rsd rsf rsh rsk rso rsr rss sdd sdf sdh sdk sdo sdr sds sfd sff sfh sfk sfo sfr sfs sh- shd shf shh shk sho shr shs sk- skd skf skh skk sko skr sks sod sof soh sok soo sor sos sr- srd srf srh srk sro srr srs ss- ssd ssf ssh ssk sso ssr sss