-er eee eel een eep eer ele ell eln elp elr en- ene enl enn enp enr ep- epe epl epn epp epr ere erl ern erp err l-p lee lel len lep ler lle lll lln llp llr lne lnl lnn lnp lnr lpe lpl lpn lpp lpr lrn lrp lrr ne- nee nel nen nep ner nle nll nln nlp nlr nne nnl nnn nnp npe npl npn npp npr nre nrl nrn nrp nrr p-p pee pel pen pep per ple pll pln plp plr pn- pne pnl pnn pnp pnr ppe ppl ppn ppp ppr pre prl prn prp prr re- ree rel ren rep rer rle rll rln rlp rlr rnn rnp rnr rpe rpl rpn rpp rpr rrl rrn rrp rrr