-er ddd dde ddi ddn ddp ddr dds ddz de- ded dee dei den dep der des dez di- did die dii din dip dir dis diz dnd dne dni dnn dnp dnr dns dnz dpd dpe dpi dpn dpp dpr dps dpz drd dre dri drn drp drr drs drz dsd dse dsi dsn dsp dsr dss dsz dzd dze dzi dzp dzr dzs ed- edd ede edi edn edp edr eds eed eee een eep eer ees eid eie eii ein eip eir eis en- end ene eni enn enp enr ens enz ep- epd epe epi epn epp epr eps epz erd ere eri ern erp err ers erz es- esd ese esi esn esp esr ess eze ezr ezs ezz i-d idd ide idi idn idp idr ids ie- ied iee iei ien iep ier ies iid iie iii iin iip iir iis in- ind ine ini inn inp inr ins ipd ipe ipi ipn ipp ipr ips ir- ird ire iri irn irp irr irs is- isd ise isi isn isp isr iss ize izi izz n-i ndd nde ndi ndn ndp ndr nds ne- ned nee nei nen nep ner nes nez nid nie nii nin nip nir nis niz nne nni nnn nnp nns nnz npd npe npi npn npp npr nps npz nrd nre nri nrn nrp nrr nrs nrz nsd nse nsi nsn nsp nsr nss nsz nzd nze nzi nzp nzs nzz p-p pdd pde pdi pdn pdp pdr pds pdz ped pee pei pen pep per pes pez pid pie pii pin pip pir pis piz pn- pnd pne pni pnn pnp pnr pns ppd ppe ppi ppn ppp ppr pps ppz prd pre pri prn prp prr prs prz ps- psd pse psi psn psp psr pss pzp rdd rde rdi rdn rdp rdr rds re- red ree rei ren rep rer res rez rid rie rii rin rip rir ris riz rnd rni rnn rnp rnr rns rnz rpd rpe rpi rpn rpp rpr rps rpz rrd rri rrn rrp rrr rrs rsd rse rsi rsn rsp rsr rss rze sdd sde sdi sdn sdp sdr sds sdz se- sed see sei sen sep ser ses sez sid sie sii sin sip sir sis snd sne sni snn snp snr sns spd spe spi spn spp spr sps spz sr- srd sre sri srn srp srr srs ss- ssd sse ssi ssn ssp ssr sss ssz szd sze szi szp szr zds zed zee zen zep zer zes zez zid zie zin zip zir zis ziz znd zne znn znp zns zpe zpi zpp zpr zrp zrs zse zsi zsz zzr zzs zzz