-er ddd dde ddn ddp ddr dds ddt de- ded dee den dep der des det dev dnd dne dnn dnp dnr dns dnt dpd dpe dpn dpp dpr dps dpt dpv drd dre drn drp drr drs drt drv dsd dse dsn dsp dsr dss dst dsv dtd dte dtn dtp dtr dts dtt dtv dvd dve dvn dvp dvr dvs dvt ed- edd ede edn edp edr eds edt eed eee een eep eer ees eet eev en- end ene enn enp enr ens ent env ep- epd epe epn epp epr eps ept erd ere ern erp err ers ert erv es- esd ese esn esp esr ess est esv etd ete etn etp etr ets ett etv evd eve evn evp evr evs evt evv ndd nde ndn ndp ndr nds ndt ndv ne- ned nee nen nep ner nes net nev nne nnn nnp nns nnt nnv npd npe npn npp npr nps npt npv nrd nre nrn nrp nrr nrs nrt nrv nsd nse nsn nsp nsr nss nst nsv ntd nte ntn ntp ntr nts ntt ntv nvd nve nvn nvp nvt nvv p-p pdd pde pdn pdp pdr pds pdt pdv ped pee pen pep per pes pet pev pn- pnd pne pnn pnp pnr pns pnt pnv ppd ppe ppn ppp ppr pps ppt ppv prd pre prn prp prr prs prt prv ps- psd pse psn psp psr pss pst psv pt- ptd pte ptn ptp ptr pts ptt ptv pvd pve pvn pvp pvr pvs pvt pvv rdd rde rdn rdp rdr rds rdt rdv re- red ree ren rep rer res ret rev rnd rnn rnp rnr rns rnt rnv rpd rpe rpn rpp rpr rps rpt rpv rrd rrn rrp rrr rrs rrt rsd rse rsn rsp rsr rss rst rsv rtd rte rtn rtp rtr rts rtt rtv rvd rve rvn rvp rvr rvs rvt rvv sdd sde sdn sdp sdr sds sdt sdv se- sed see sen sep ser ses set sev snd sne snn snp snr sns snt snv spd spe spn spp spr sps spt spv sr- srd sre srn srp srr srs srt srv ss- ssd sse ssn ssp ssr sss sst ssv std ste stn stp str sts stt stv svd sve svn svp svr svs svt svv tdd tde tdn tdp tdr tds tdt tdv te- ted tee ten tep ter tes tet tev tnd tne tnn tnp tnr tns tnt tpd tpe tpn tpp tpr tps tpt tpv trd tre trn trp trr trs trt trv tsd tse tsn tsp tsr tss tst tsv ttd tte ttn ttp ttr tts ttt ttv tvd tve tvn tvp tvr tvs tvt v-e vdd vde vdp vdr vds vdt vdv ved vee ven vep ver ves vet vn- vnd vnp vnr vns vnv vpd vpe vpn vpp vpr vps vpt vrd vre vrn vrp vrr vrs vrt vsd vse vsn vsp vsr vss vst vsv vte vtr vts vtt vtv vvr vvs vvt vvv