-er ddd dde ddf ddh ddk ddo ddr dds de- ded dee def deh dek deo der des dfd dfe dff dfh dfk dfo dfr dfs dh- dhd dhe dhf dhh dhk dho dhr dhs dke dkk dko dkr dks dod doe dof doh dok doo dor dos drd dre drk dro drr drs dsd dse dsf dsh dsk dso dsr dss ed- edd ede edf edh edk edo edr eds eed eee eef eek eeo eer ees ef- efd efe eff efh efo efr efs ehd ehe ehf ehh eho ehr ehs ekd eke ekf ekh eko ekr eks eo- eod eoe eof eoh eok eoo eor eos erd ere erf erh erk ero err ers es- esd ese esf esh esk eso esr ess fdd fde fdf fdh fdk fdo fdr fds fed fee fef feh fek feo fer fes ffd ffe fff ffh ffk ffo ffr ffs fhe fhf fhh fho fhr fhs fkf fkk foe fof foh fok foo for fos frd fre frf frh frk fro frr frs fsd fse fsf fsh fsk fso fsr fss hdd hde hdf hdh hdk hdo hdr hds he- hed hee hef heh hek heo her hes hfd hfe hff hfh hfk hfo hfr hfs hhd hhe hhf hhh hhk hho hhr hhs hkd hkf hkh hkk hko hkr hks hod hoe hof hoh hok hoo hor hos hr- hrd hre hrf hrh hrk hro hrr hrs hsd hse hsf hsh hsk hsr hss kde kdf kdh kdk kdo kdr kds ke- ked kee kef keh kek keo ker kes kfd kff kfh kfo kfs khe khf khh khk kho khr khs kke kkh kkk kkr kks kod koe kof koh kok koo kor kos krd krf krk kro krr krs ksd kse ksf ksh ksk kso ksr kss odd ode odf odh odo odr ods oed oee oef oeh oeo oer oes of- ofd ofe off ofo ofr ofs ohd ohe ohf ohh oho ohr ohs okd oke okk oko okr oks oo- ood oof ooh ook ooo oor oos or- ord ore orf orh ork oro orr ors os- osd ose osf osh osk oso osr oss rdd rde rdf rdh rdo rdr rds re- red ree ref reh rek reo rer res rfd rfe rff rfh rfk rfo rfr rfs rh- rhd rhe rhf rhh rho rhr rhs rke rkf rkk rko rks rod roe rof roh rok roo ror ros rrd rrf rrh rrk rrr rrs rsd rse rsf rsh rsk rso rsr rss sdd sde sdf sdh sdk sdo sdr sds se- sed see sef seh sek seo ser ses sfd sfe sff sfh sfk sfo sfr sfs sh- shd she shf shh shk sho shr shs sk- skd ske skf skh skk sko skr sks sod soe sof soh sok soo sor sos sr- srd sre srf srh srk sro srr srs ss- ssd sse ssf ssh ssk sso ssr sss