-er ddd dde ddf ddh ddi ddk ddr dds de- ded dee def deh dei dek der des dfd dfe dff dfh dfi dfk dfr dfs dh- dhd dhe dhf dhh dhi dhk dhr dhs di- did die dif dih dii dik dir dis dke dki dkk dkr dks drd dre dri drk drr drs dsd dse dsf dsh dsi dsk dsr dss ed- edd ede edf edh edi edk edr eds eed eee eef eek eer ees ef- efd efe eff efh efi efr efs ehd ehe ehf ehh ehi ehr ehs eid eie eif eii eik eir eis ekd eke ekf ekh eki ekr eks erd ere erf erh eri erk err ers es- esd ese esf esh esi esk esr ess fdd fde fdf fdh fdi fdk fdr fds fed fee fef feh fei fek fer fes ffd ffe fff ffh ffi ffk ffr ffs fhe fhf fhh fhi fhr fhs fid fie fif fih fii fik fir fis fkf fki fkk frd fre frf frh fri frk frr frs fsd fse fsf fsh fsi fsk fsr fss h-i hdd hde hdf hdh hdi hdk hdr hds he- hed hee hef heh hei hek her hes hfd hfe hff hfh hfi hfk hfr hfs hhd hhe hhf hhh hhi hhk hhr hhs hid hie hif hih hii hik hir his hkd hkf hkh hki hkk hkr hks hr- hrd hre hrf hrh hri hrk hrr hrs hsd hse hsf hsh hsi hsk hsr hss i-d i-f idd ide idf idh idi idk idr ids ie- ied iee ief iei iek ier ies ifd ife iff ifi ifr ifs ihd ihe ihf ihh ihi ihk ihr ihs iid iie iif iih iii iir iis ike ikf iki ikk ikr iks ir- ird ire irf iri irk irr irs is- isd ise isf ish isi isk isr iss kde kdf kdh kdk kdr kds ke- ked kee kef keh kei kek ker kes kfd kff kfh kfi kfs khe khf khh khi khk khr khs kid kie kif kih kii kik kir kis kke kkh kki kkk kkr kks krd krf kri krk krr krs ksd kse ksf ksh ksi ksk ksr kss rdd rde rdf rdh rdi rdr rds re- red ree ref reh rei rek rer res rfd rfe rff rfh rfi rfk rfr rfs rh- rhd rhe rhf rhh rhi rhr rhs rid rie rif rih rii rik rir ris rke rkf rkk rks rrd rrf rrh rri rrk rrr rrs rsd rse rsf rsh rsi rsk rsr rss sdd sde sdf sdh sdi sdk sdr sds se- sed see sef seh sei sek ser ses sfd sfe sff sfh sfi sfk sfr sfs sh- shd she shf shh shi shk shr shs sid sie sif sih sii sik sir sis sk- skd ske skf skh ski skk skr sks sr- srd sre srf srh sri srk srr srs ss- ssd sse ssf ssh ssi ssk ssr sss