-er ddd dde ddi ddn ddp ddr ddt de- ded dee dei den dep der det dev di- did die dii din dip dir dit div dnd dne dni dnn dnp dnr dnt dpd dpe dpi dpn dpp dpr dpt dpv drd dre dri drn drp drr drt drv dtd dte dti dtn dtp dtr dtt dtv dvd dve dvi dvn dvp dvr dvt ed- edd ede edi edn edp edr edt eed eee een eep eer eet eev eid eie eii ein eip eir eit eiv en- end ene eni enn enp enr ent env ep- epd epe epi epn epp epr ept erd ere eri ern erp err ert erv etd ete eti etn etp etr ett etv evd eve evi evn evp evr evt evv i-d i-v idd ide idi idn idp idr idt idv ie- ied iee iei ien iep ier iet iev iid iie iii iin iip iir iit in- ind ine ini inn inp inr int inv ipd ipe ipi ipn ipp ipr ipt ipv ir- ird ire iri irn irp irr irt irv itd ite iti itn itp itt itv ivd ive ivi ivp ivr ivt ivv n-i ndd nde ndi ndn ndp ndr ndt ndv ne- ned nee nei nen nep ner net nev nid nie nii nin nip nir nit niv nne nni nnn nnp nnt nnv npd npe npi npn npp npr npt npv nrd nre nri nrn nrp nrr nrt nrv ntd nte nti ntn ntp ntr ntt ntv nvd nve nvi nvn nvp nvt nvv p-p pdd pde pdi pdn pdp pdr pdt pdv ped pee pei pen pep per pet pev pid pie pii pin pip pir pit piv pn- pnd pne pni pnn pnp pnr pnt pnv ppd ppe ppi ppn ppp ppr ppt ppv prd pre pri prn prp prr prt prv pt- ptd pte pti ptn ptp ptr ptt ptv pvd pve pvi pvn pvp pvr pvt pvv rdd rde rdi rdn rdp rdr rdt rdv re- red ree rei ren rep rer ret rev rid rie rii rin rip rir rit riv rnd rni rnn rnp rnr rnt rnv rpd rpe rpi rpn rpp rpr rpt rpv rrd rri rrn rrp rrr rrt rtd rte rti rtn rtp rtr rtt rtv rvd rve rvi rvn rvp rvr rvt rvv tdd tde tdi tdn tdp tdr tdt tdv te- ted tee tei ten tep ter tet tev tid tie tii tin tip tir tit tiv tnd tne tni tnn tnp tnr tnt tpd tpe tpi tpn tpp tpr tpt tpv trd tre tri trn trp trr trt trv ttd tte tti ttn ttp ttr ttt ttv tvd tve tvi tvn tvp tvr tvt v-e vdd vde vdi vdp vdr vdt vdv ved vee vei ven vep ver vet vi- vid vie vii vin vip vir vit viv vn- vnd vni vnp vnr vnv vpd vpe vpi vpn vpp vpr vpt vrd vre vri vrn vrp vrr vrt vte vti vtr vtt vtv vvi vvr vvt vvv