-er ddd dde ddi ddl ddn ddp ddr de- ded dee dei del den dep der dev di- did die dii dil din dip dir div dl- dld dle dli dll dlp dlr dlv dnd dne dni dnl dnn dnp dnr dpd dpe dpi dpl dpn dpp dpr dpv drd dre dri drl drn drp drr drv dvd dve dvi dvl dvn dvp dvr ed- edd ede edi edl edn edp edr eed eee eel een eep eer eev eid eie eii eil ein eip eir eiv eld ele eli ell eln elp elr elv en- end ene eni enl enn enp enr env ep- epd epe epi epl epn epp epr erd ere eri erl ern erp err erv evd eve evi evl evn evp evr evv i-d i-v idd ide idi idl idn idp idr idv ie- ied iee iei iel ien iep ier iev iid iie iii iil iin iip iir il- ild ile ili ill iln ilp ilr ilv in- ind ine ini inl inn inp inr inv ipd ipe ipi ipl ipn ipp ipr ipv ir- ird ire iri irl irn irp irr irv ivd ive ivi ivl ivp ivr ivv l-p ldd lde ldi ldl ldn ldp ldr ldv led lee lei lel len lep ler lev lid lie lii lil lin lip lir liv lld lle lli lll lln llp llr llv lnd lne lni lnl lnn lnp lnr lpd lpe lpi lpl lpn lpp lpr lpv lrd lri lrn lrp lrr lrv lvd lve lvi lvl lvn lvp lvr lvv n-i ndd nde ndi ndl ndn ndp ndr ndv ne- ned nee nei nel nen nep ner nev nid nie nii nil nin nip nir niv nld nle nli nll nln nlp nlr nlv nne nni nnl nnn nnp nnv npd npe npi npl npn npp npr npv nrd nre nri nrl nrn nrp nrr nrv nvd nve nvi nvl nvn nvp nvv p-p pdd pde pdi pdl pdn pdp pdr pdv ped pee pei pel pen pep per pev pid pie pii pil pin pip pir piv pld ple pli pll pln plp plr plv pn- pnd pne pni pnl pnn pnp pnr pnv ppd ppe ppi ppl ppn ppp ppr ppv prd pre pri prl prn prp prr prv pvd pve pvi pvl pvn pvp pvr pvv rdd rde rdi rdl rdn rdp rdr rdv re- red ree rei rel ren rep rer rev rid rie rii ril rin rip rir riv rld rle rli rll rln rlp rlr rnd rni rnn rnp rnr rnv rpd rpe rpi rpl rpn rpp rpr rpv rrd rri rrl rrn rrp rrr rvd rve rvi rvl rvn rvp rvr rvv v-e vdd vde vdi vdl vdp vdr vdv ved vee vei vel ven vep ver vi- vid vie vii vil vin vip vir viv vl- vld vle vll vlp vlv vn- vnd vni vnl vnp vnr vnv vpd vpe vpi vpl vpn vpp vpr vrd vre vri vrn vrp vrr vvi vvr vvv