-er ddd dde ddi ddn ddo ddp ddr dds ddz de- ded dee dei den deo dep der des dez di- did die dii din dio dip dir dis diz dnd dne dni dnn dno dnp dnr dns dnz dod doe doi don doo dop dor dos doz dpd dpe dpi dpn dpo dpp dpr dps dpz drd dre dri drn dro drp drr drs drz dsd dse dsi dsn dso dsp dsr dss dsz dzd dze dzi dzo dzp dzr dzs ed- edd ede edi edn edo edp edr eds eed eee een eeo eep eer ees eid eie eii ein eio eip eir eis en- end ene eni enn eno enp enr ens enz eo- eod eoe eoi eon eoo eop eor eos ep- epd epe epi epn epo epp epr eps epz erd ere eri ern ero erp err ers erz es- esd ese esi esn eso esp esr ess eze ezo ezr ezs ezz i-d idd ide idi idn ido idp idr ids ie- ied iee iei ien iep ier ies iid iie iii iin iio iip iir iis in- ind ine ini inn ino inp inr ins io- iod ioe ioi ion ioo iop ior ios ipd ipe ipi ipn ipo ipp ipr ips ir- ird ire iri irn iro irp irr irs is- isd ise isi isn iso isp isr iss ize izi izo izz n-i ndd nde ndi ndn ndo ndp ndr nds ne- ned nee nei nen neo nep ner nes nez nid nie nii nin nio nip nir nis niz nne nni nnn nno nnp nns nnz no- nod noe noi non noo nop nor nos noz npd npe npi npn npo npp npr nps npz nrd nre nri nrn nro nrp nrr nrs nrz nsd nse nsi nsn nso nsp nsr nss nsz nzd nze nzi nzo nzp nzs nzz o-i odd ode odi odn odo odp odr ods oed oee oei oen oeo oep oer oes oid oie oii oin oio oip oir ois oiz on- ond one oni onn ono onp onr ons oo- ood ooi oon ooo oop oor oos op- opd ope opi opn opo opp opr ops or- ord ore ori orn oro orp orr ors orz os- osd ose osi osn oso osp osr oss oze ozo ozs ozz p-p pdd pde pdi pdn pdo pdp pdr pds pdz ped pee pei pen peo pep per pes pez pid pie pii pin pio pip pir pis piz pn- pnd pne pni pnn pno pnp pnr pns pod poe poi pon poo pop por pos poz ppd ppe ppi ppn ppo ppp ppr pps ppz prd pre pri prn pro prp prr prs prz ps- psd pse psi psn pso psp psr pss pzp rdd rde rdi rdn rdo rdp rdr rds re- red ree rei ren reo rep rer res rez rid rie rii rin rio rip rir ris riz rnd rni rnn rno rnp rnr rns rnz rod roe roi ron roo rop ror ros roz rpd rpe rpi rpn rpo rpp rpr rps rpz rrd rri rrn rrp rrr rrs rsd rse rsi rsn rso rsp rsr rss rze rzo sdd sde sdi sdn sdo sdp sdr sds sdz se- sed see sei sen seo sep ser ses sez sid sie sii sin sio sip sir sis snd sne sni snn sno snp snr sns sod soe soi son soo sop sor sos soz spd spe spi spn spo spp spr sps spz sr- srd sre sri srn sro srp srr srs ss- ssd sse ssi ssn sso ssp ssr sss ssz szd sze szi szp szr zds zed zee zen zeo zep zer zes zez zid zie zin zio zip zir zis ziz znd zne znn zno znp zns zo- zod zoe zoi zon zoo zor zos zpe zpi zpo zpp zpr zro zrp zrs zse zsi zsz zzr zzs zzz