-er ddd dde ddi ddn ddp ddr dds de- ded dee dei den dep der des dev di- did die dii din dip dir dis div dnd dne dni dnn dnp dnr dns dpd dpe dpi dpn dpp dpr dps dpv drd dre dri drn drp drr drs drv dsd dse dsi dsn dsp dsr dss dsv dvd dve dvi dvn dvp dvr dvs ed- edd ede edi edn edp edr eds eed eee een eep eer ees eev eid eie eii ein eip eir eis eiv en- end ene eni enn enp enr ens env ep- epd epe epi epn epp epr eps erd ere eri ern erp err ers erv es- esd ese esi esn esp esr ess esv evd eve evi evn evp evr evs evv i-d i-v idd ide idi idn idp idr ids idv ie- ied iee iei ien iep ier ies iev iid iie iii iin iip iir iis in- ind ine ini inn inp inr ins inv ipd ipe ipi ipn ipp ipr ips ipv ir- ird ire iri irn irp irr irs irv is- isd ise isi isn isp isr iss isv ivd ive ivi ivp ivr ivs ivv n-i ndd nde ndi ndn ndp ndr nds ndv ne- ned nee nei nen nep ner nes nev nid nie nii nin nip nir nis niv nne nni nnn nnp nns nnv npd npe npi npn npp npr nps npv nrd nre nri nrn nrp nrr nrs nrv nsd nse nsi nsn nsp nsr nss nsv nvd nve nvi nvn nvp nvv p-p pdd pde pdi pdn pdp pdr pds pdv ped pee pei pen pep per pes pev pid pie pii pin pip pir pis piv pn- pnd pne pni pnn pnp pnr pns pnv ppd ppe ppi ppn ppp ppr pps ppv prd pre pri prn prp prr prs prv ps- psd pse psi psn psp psr pss psv pvd pve pvi pvn pvp pvr pvs pvv rdd rde rdi rdn rdp rdr rds rdv re- red ree rei ren rep rer res rev rid rie rii rin rip rir ris riv rnd rni rnn rnp rnr rns rnv rpd rpe rpi rpn rpp rpr rps rpv rrd rri rrn rrp rrr rrs rsd rse rsi rsn rsp rsr rss rsv rvd rve rvi rvn rvp rvr rvs rvv sdd sde sdi sdn sdp sdr sds sdv se- sed see sei sen sep ser ses sev sid sie sii sin sip sir sis siv snd sne sni snn snp snr sns snv spd spe spi spn spp spr sps spv sr- srd sre sri srn srp srr srs srv ss- ssd sse ssi ssn ssp ssr sss ssv svd sve svi svn svp svr svs svv v-e vdd vde vdi vdp vdr vds vdv ved vee vei ven vep ver ves vi- vid vie vii vin vip vir vis viv vn- vnd vni vnp vnr vns vnv vpd vpe vpi vpn vpp vpr vps vrd vre vri vrn vrp vrr vrs vsd vse vsi vsn vsp vsr vss vsv vvi vvr vvs vvv