-er eee eel een eep eer eev eie eii eil ein eip eir eiv ele eli ell eln elp elr elv en- ene eni enl enn enp enr env ep- epe epi epl epn epp epr ere eri erl ern erp err erv eve evi evl evn evp evr evv i-v ie- iee iei iel ien iep ier iev iie iii iil iin iip iir il- ile ili ill iln ilp ilr ilv in- ine ini inl inn inp inr inv ipe ipi ipl ipn ipp ipr ipv ir- ire iri irl irn irp irr irv ive ivi ivl ivp ivr ivv l-p lee lei lel len lep ler lev lie lii lil lin lip lir liv lle lli lll lln llp llr llv lne lni lnl lnn lnp lnr lpe lpi lpl lpn lpp lpr lpv lri lrn lrp lrr lrv lve lvi lvl lvn lvp lvr lvv n-i ne- nee nei nel nen nep ner nev nie nii nil nin nip nir niv nle nli nll nln nlp nlr nlv nne nni nnl nnn nnp nnv npe npi npl npn npp npr npv nre nri nrl nrn nrp nrr nrv nve nvi nvl nvn nvp nvv p-p pee pei pel pen pep per pev pie pii pil pin pip pir piv ple pli pll pln plp plr plv pn- pne pni pnl pnn pnp pnr pnv ppe ppi ppl ppn ppp ppr ppv pre pri prl prn prp prr prv pve pvi pvl pvn pvp pvr pvv re- ree rei rel ren rep rer rev rie rii ril rin rip rir riv rle rli rll rln rlp rlr rni rnn rnp rnr rnv rpe rpi rpl rpn rpp rpr rpv rri rrl rrn rrp rrr rve rvi rvl rvn rvp rvr rvv v-e vee vei vel ven vep ver vi- vie vii vil vin vip vir viv vl- vle vll vlp vlv vn- vni vnl vnp vnr vnv vpe vpi vpl vpn vpp vpr vre vri vrn vrp vrr vvi vvr vvv